Toniolo and Linder, Equation (10+)

Percentage Accurate: 54.5% → 85.2%
Time: 22.4s
Alternatives: 20
Speedup: 3.8×

Specification

?
\[\begin{array}{l} \\ \frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (/
  2.0
  (*
   (* (* (/ (pow t 3.0) (* l l)) (sin k)) (tan k))
   (+ (+ 1.0 (pow (/ k t) 2.0)) 1.0))))
double code(double t, double l, double k) {
	return 2.0 / ((((pow(t, 3.0) / (l * l)) * sin(k)) * tan(k)) * ((1.0 + pow((k / t), 2.0)) + 1.0));
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    code = 2.0d0 / (((((t ** 3.0d0) / (l * l)) * sin(k)) * tan(k)) * ((1.0d0 + ((k / t) ** 2.0d0)) + 1.0d0))
end function
public static double code(double t, double l, double k) {
	return 2.0 / ((((Math.pow(t, 3.0) / (l * l)) * Math.sin(k)) * Math.tan(k)) * ((1.0 + Math.pow((k / t), 2.0)) + 1.0));
}
def code(t, l, k):
	return 2.0 / ((((math.pow(t, 3.0) / (l * l)) * math.sin(k)) * math.tan(k)) * ((1.0 + math.pow((k / t), 2.0)) + 1.0))
function code(t, l, k)
	return Float64(2.0 / Float64(Float64(Float64(Float64((t ^ 3.0) / Float64(l * l)) * sin(k)) * tan(k)) * Float64(Float64(1.0 + (Float64(k / t) ^ 2.0)) + 1.0)))
end
function tmp = code(t, l, k)
	tmp = 2.0 / (((((t ^ 3.0) / (l * l)) * sin(k)) * tan(k)) * ((1.0 + ((k / t) ^ 2.0)) + 1.0));
end
code[t_, l_, k_] := N[(2.0 / N[(N[(N[(N[(N[Power[t, 3.0], $MachinePrecision] / N[(l * l), $MachinePrecision]), $MachinePrecision] * N[Sin[k], $MachinePrecision]), $MachinePrecision] * N[Tan[k], $MachinePrecision]), $MachinePrecision] * N[(N[(1.0 + N[Power[N[(k / t), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision] + 1.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)}
\end{array}

Sampling outcomes in binary64 precision:

Local Percentage Accuracy vs ?

The average percentage accuracy by input value. Horizontal axis shows value of an input variable; the variable is choosen in the title. Vertical axis is accuracy; higher is better. Red represent the original program, while blue represents Herbie's suggestion. These can be toggled with buttons below the plot. The line is an average while dots represent individual samples.

Accuracy vs Speed?

Herbie found 20 alternatives:

AlternativeAccuracySpeedup
The accuracy (vertical axis) and speed (horizontal axis) of each alternatives. Up and to the right is better. The red square shows the initial program, and each blue circle shows an alternative.The line shows the best available speed-accuracy tradeoffs.

Initial Program: 54.5% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (/
  2.0
  (*
   (* (* (/ (pow t 3.0) (* l l)) (sin k)) (tan k))
   (+ (+ 1.0 (pow (/ k t) 2.0)) 1.0))))
double code(double t, double l, double k) {
	return 2.0 / ((((pow(t, 3.0) / (l * l)) * sin(k)) * tan(k)) * ((1.0 + pow((k / t), 2.0)) + 1.0));
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    code = 2.0d0 / (((((t ** 3.0d0) / (l * l)) * sin(k)) * tan(k)) * ((1.0d0 + ((k / t) ** 2.0d0)) + 1.0d0))
end function
public static double code(double t, double l, double k) {
	return 2.0 / ((((Math.pow(t, 3.0) / (l * l)) * Math.sin(k)) * Math.tan(k)) * ((1.0 + Math.pow((k / t), 2.0)) + 1.0));
}
def code(t, l, k):
	return 2.0 / ((((math.pow(t, 3.0) / (l * l)) * math.sin(k)) * math.tan(k)) * ((1.0 + math.pow((k / t), 2.0)) + 1.0))
function code(t, l, k)
	return Float64(2.0 / Float64(Float64(Float64(Float64((t ^ 3.0) / Float64(l * l)) * sin(k)) * tan(k)) * Float64(Float64(1.0 + (Float64(k / t) ^ 2.0)) + 1.0)))
end
function tmp = code(t, l, k)
	tmp = 2.0 / (((((t ^ 3.0) / (l * l)) * sin(k)) * tan(k)) * ((1.0 + ((k / t) ^ 2.0)) + 1.0));
end
code[t_, l_, k_] := N[(2.0 / N[(N[(N[(N[(N[Power[t, 3.0], $MachinePrecision] / N[(l * l), $MachinePrecision]), $MachinePrecision] * N[Sin[k], $MachinePrecision]), $MachinePrecision] * N[Tan[k], $MachinePrecision]), $MachinePrecision] * N[(N[(1.0 + N[Power[N[(k / t), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision] + 1.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)}
\end{array}

Alternative 1: 85.2% accurate, 0.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := {\left(\frac{k}{t}\right)}^{2}\\ t_2 := \sqrt[3]{\sin k}\\ \mathbf{if}\;t \leq -8.8 \cdot 10^{+43}:\\ \;\;\;\;\ell \cdot \left(\ell \cdot \frac{2}{{\left(\sqrt[3]{\tan k \cdot \left(2 + t_1\right)} \cdot \left(t \cdot t_2\right)\right)}^{3}}\right)\\ \mathbf{elif}\;t \leq 8 \cdot 10^{-49}:\\ \;\;\;\;\frac{2}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right) \cdot \left(\tan k \cdot \sin k\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{{\left(t_2 \cdot \left(t \cdot \sqrt[3]{{\ell}^{-2}}\right)\right)}^{3} \cdot \left(\tan k \cdot \left(1 + \left(t_1 + 1\right)\right)\right)}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (pow (/ k t) 2.0)) (t_2 (cbrt (sin k))))
   (if (<= t -8.8e+43)
     (* l (* l (/ 2.0 (pow (* (cbrt (* (tan k) (+ 2.0 t_1))) (* t t_2)) 3.0))))
     (if (<= t 8e-49)
       (/ 2.0 (* (* (/ (* t k) l) (/ k l)) (* (tan k) (sin k))))
       (/
        2.0
        (*
         (pow (* t_2 (* t (cbrt (pow l -2.0)))) 3.0)
         (* (tan k) (+ 1.0 (+ t_1 1.0)))))))))
double code(double t, double l, double k) {
	double t_1 = pow((k / t), 2.0);
	double t_2 = cbrt(sin(k));
	double tmp;
	if (t <= -8.8e+43) {
		tmp = l * (l * (2.0 / pow((cbrt((tan(k) * (2.0 + t_1))) * (t * t_2)), 3.0)));
	} else if (t <= 8e-49) {
		tmp = 2.0 / ((((t * k) / l) * (k / l)) * (tan(k) * sin(k)));
	} else {
		tmp = 2.0 / (pow((t_2 * (t * cbrt(pow(l, -2.0)))), 3.0) * (tan(k) * (1.0 + (t_1 + 1.0))));
	}
	return tmp;
}
public static double code(double t, double l, double k) {
	double t_1 = Math.pow((k / t), 2.0);
	double t_2 = Math.cbrt(Math.sin(k));
	double tmp;
	if (t <= -8.8e+43) {
		tmp = l * (l * (2.0 / Math.pow((Math.cbrt((Math.tan(k) * (2.0 + t_1))) * (t * t_2)), 3.0)));
	} else if (t <= 8e-49) {
		tmp = 2.0 / ((((t * k) / l) * (k / l)) * (Math.tan(k) * Math.sin(k)));
	} else {
		tmp = 2.0 / (Math.pow((t_2 * (t * Math.cbrt(Math.pow(l, -2.0)))), 3.0) * (Math.tan(k) * (1.0 + (t_1 + 1.0))));
	}
	return tmp;
}
function code(t, l, k)
	t_1 = Float64(k / t) ^ 2.0
	t_2 = cbrt(sin(k))
	tmp = 0.0
	if (t <= -8.8e+43)
		tmp = Float64(l * Float64(l * Float64(2.0 / (Float64(cbrt(Float64(tan(k) * Float64(2.0 + t_1))) * Float64(t * t_2)) ^ 3.0))));
	elseif (t <= 8e-49)
		tmp = Float64(2.0 / Float64(Float64(Float64(Float64(t * k) / l) * Float64(k / l)) * Float64(tan(k) * sin(k))));
	else
		tmp = Float64(2.0 / Float64((Float64(t_2 * Float64(t * cbrt((l ^ -2.0)))) ^ 3.0) * Float64(tan(k) * Float64(1.0 + Float64(t_1 + 1.0)))));
	end
	return tmp
end
code[t_, l_, k_] := Block[{t$95$1 = N[Power[N[(k / t), $MachinePrecision], 2.0], $MachinePrecision]}, Block[{t$95$2 = N[Power[N[Sin[k], $MachinePrecision], 1/3], $MachinePrecision]}, If[LessEqual[t, -8.8e+43], N[(l * N[(l * N[(2.0 / N[Power[N[(N[Power[N[(N[Tan[k], $MachinePrecision] * N[(2.0 + t$95$1), $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision] * N[(t * t$95$2), $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 8e-49], N[(2.0 / N[(N[(N[(N[(t * k), $MachinePrecision] / l), $MachinePrecision] * N[(k / l), $MachinePrecision]), $MachinePrecision] * N[(N[Tan[k], $MachinePrecision] * N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 / N[(N[Power[N[(t$95$2 * N[(t * N[Power[N[Power[l, -2.0], $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision] * N[(N[Tan[k], $MachinePrecision] * N[(1.0 + N[(t$95$1 + 1.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := {\left(\frac{k}{t}\right)}^{2}\\
t_2 := \sqrt[3]{\sin k}\\
\mathbf{if}\;t \leq -8.8 \cdot 10^{+43}:\\
\;\;\;\;\ell \cdot \left(\ell \cdot \frac{2}{{\left(\sqrt[3]{\tan k \cdot \left(2 + t_1\right)} \cdot \left(t \cdot t_2\right)\right)}^{3}}\right)\\

\mathbf{elif}\;t \leq 8 \cdot 10^{-49}:\\
\;\;\;\;\frac{2}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right) \cdot \left(\tan k \cdot \sin k\right)}\\

\mathbf{else}:\\
\;\;\;\;\frac{2}{{\left(t_2 \cdot \left(t \cdot \sqrt[3]{{\ell}^{-2}}\right)\right)}^{3} \cdot \left(\tan k \cdot \left(1 + \left(t_1 + 1\right)\right)\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if t < -8.80000000000000002e43

    1. Initial program 58.4%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/l/58.4%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \]
      2. associate-*l/58.4%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{{t}^{3} \cdot \sin k}{\ell \cdot \ell}} \cdot \tan k} \]
      3. associate-*l/59.8%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}{\ell \cdot \ell}}} \]
      4. associate-/r/59.6%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k} \cdot \left(\ell \cdot \ell\right)} \]
      5. *-commutative59.6%

        \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}} \]
      6. associate-/l/59.6%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \color{blue}{\frac{2}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)}} \]
      7. associate-*r*59.6%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left({t}^{3} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      8. *-commutative59.6%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\left({t}^{3} \cdot \sin k\right) \cdot \color{blue}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \tan k\right)}} \]
      9. associate-*r*59.6%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right) \cdot \tan k}} \]
      10. *-commutative59.6%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\tan k \cdot \left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
    3. Simplified59.6%

      \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}} \]
    4. Step-by-step derivation
      1. add-cube-cbrt59.5%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left(\sqrt[3]{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)} \cdot \sqrt[3]{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}\right) \cdot \sqrt[3]{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}}} \]
      2. pow359.5%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{{\left(\sqrt[3]{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}\right)}^{3}}} \]
    5. Applied egg-rr80.8%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{{\left(\sqrt[3]{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}}} \]
    6. Step-by-step derivation
      1. pow180.8%

        \[\leadsto \color{blue}{{\left(\left(\ell \cdot \ell\right) \cdot \frac{2}{{\left(\sqrt[3]{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}}\right)}^{1}} \]
      2. associate-*l*83.9%

        \[\leadsto {\color{blue}{\left(\ell \cdot \left(\ell \cdot \frac{2}{{\left(\sqrt[3]{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}}\right)\right)}}^{1} \]
    7. Applied egg-rr83.9%

      \[\leadsto \color{blue}{{\left(\ell \cdot \left(\ell \cdot \frac{2}{{\left(\sqrt[3]{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}}\right)\right)}^{1}} \]

    if -8.80000000000000002e43 < t < 7.99999999999999949e-49

    1. Initial program 46.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. *-commutative46.0%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
      2. associate-*l*45.3%

        \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)\right)}} \]
      3. associate-*r*45.2%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
      4. +-commutative45.2%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      5. associate-+r+45.2%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(\left(1 + 1\right) + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      6. metadata-eval45.2%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{2} + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    3. Simplified45.2%

      \[\leadsto \color{blue}{\frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    4. Step-by-step derivation
      1. add-cube-cbrt45.2%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \color{blue}{\left(\left(\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}}\right)}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. pow345.2%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \color{blue}{{\left(\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}}\right)}^{3}}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      3. div-inv44.4%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(\sqrt[3]{\color{blue}{{t}^{3} \cdot \frac{1}{\ell \cdot \ell}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      4. cbrt-prod44.4%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\color{blue}{\left(\sqrt[3]{{t}^{3}} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)}}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      5. unpow344.4%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(\sqrt[3]{\color{blue}{\left(t \cdot t\right) \cdot t}} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      6. add-cbrt-cube51.4%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(\color{blue}{t} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      7. pow251.4%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(t \cdot \sqrt[3]{\frac{1}{\color{blue}{{\ell}^{2}}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      8. pow-flip51.5%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(t \cdot \sqrt[3]{\color{blue}{{\ell}^{\left(-2\right)}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      9. metadata-eval51.5%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(t \cdot \sqrt[3]{{\ell}^{\color{blue}{-2}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    5. Applied egg-rr51.5%

      \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \color{blue}{{\left(t \cdot \sqrt[3]{{\ell}^{-2}}\right)}^{3}}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    6. Taylor expanded in k around inf 71.6%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot t}{{\ell}^{2}}} \cdot \left(\sin k \cdot \tan k\right)} \]
    7. Step-by-step derivation
      1. *-commutative71.6%

        \[\leadsto \frac{2}{\frac{\color{blue}{t \cdot {k}^{2}}}{{\ell}^{2}} \cdot \left(\sin k \cdot \tan k\right)} \]
      2. unpow271.6%

        \[\leadsto \frac{2}{\frac{t \cdot {k}^{2}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)} \]
      3. times-frac81.8%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{t}{\ell} \cdot \frac{{k}^{2}}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]
      4. unpow281.8%

        \[\leadsto \frac{2}{\left(\frac{t}{\ell} \cdot \frac{\color{blue}{k \cdot k}}{\ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    8. Simplified81.8%

      \[\leadsto \frac{2}{\color{blue}{\left(\frac{t}{\ell} \cdot \frac{k \cdot k}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]
    9. Taylor expanded in t around 0 71.6%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot t}{{\ell}^{2}}} \cdot \left(\sin k \cdot \tan k\right)} \]
    10. Step-by-step derivation
      1. *-commutative71.6%

        \[\leadsto \frac{2}{\frac{\color{blue}{t \cdot {k}^{2}}}{{\ell}^{2}} \cdot \left(\sin k \cdot \tan k\right)} \]
      2. unpow271.6%

        \[\leadsto \frac{2}{\frac{t \cdot {k}^{2}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)} \]
      3. unpow271.6%

        \[\leadsto \frac{2}{\frac{t \cdot \color{blue}{\left(k \cdot k\right)}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)} \]
      4. associate-*r*75.1%

        \[\leadsto \frac{2}{\frac{\color{blue}{\left(t \cdot k\right) \cdot k}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)} \]
      5. times-frac94.3%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]
    11. Simplified94.3%

      \[\leadsto \frac{2}{\color{blue}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]

    if 7.99999999999999949e-49 < t

    1. Initial program 76.8%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-*l*76.8%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      2. +-commutative76.8%

        \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \color{blue}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)} \]
    3. Simplified76.8%

      \[\leadsto \color{blue}{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)}} \]
    4. Step-by-step derivation
      1. add-cube-cbrt76.6%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k}\right)} \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      2. pow376.6%

        \[\leadsto \frac{2}{\color{blue}{{\left(\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k}\right)}^{3}} \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      3. cbrt-prod76.5%

        \[\leadsto \frac{2}{{\color{blue}{\left(\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}} \cdot \sqrt[3]{\sin k}\right)}}^{3} \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      4. div-inv76.5%

        \[\leadsto \frac{2}{{\left(\sqrt[3]{\color{blue}{{t}^{3} \cdot \frac{1}{\ell \cdot \ell}}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      5. cbrt-prod77.7%

        \[\leadsto \frac{2}{{\left(\color{blue}{\left(\sqrt[3]{{t}^{3}} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      6. unpow377.7%

        \[\leadsto \frac{2}{{\left(\left(\sqrt[3]{\color{blue}{\left(t \cdot t\right) \cdot t}} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right) \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      7. add-cbrt-cube84.3%

        \[\leadsto \frac{2}{{\left(\left(\color{blue}{t} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right) \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      8. pow284.3%

        \[\leadsto \frac{2}{{\left(\left(t \cdot \sqrt[3]{\frac{1}{\color{blue}{{\ell}^{2}}}}\right) \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      9. pow-flip84.3%

        \[\leadsto \frac{2}{{\left(\left(t \cdot \sqrt[3]{\color{blue}{{\ell}^{\left(-2\right)}}}\right) \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      10. metadata-eval84.3%

        \[\leadsto \frac{2}{{\left(\left(t \cdot \sqrt[3]{{\ell}^{\color{blue}{-2}}}\right) \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
    5. Applied egg-rr84.3%

      \[\leadsto \frac{2}{\color{blue}{{\left(\left(t \cdot \sqrt[3]{{\ell}^{-2}}\right) \cdot \sqrt[3]{\sin k}\right)}^{3}} \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification89.1%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -8.8 \cdot 10^{+43}:\\ \;\;\;\;\ell \cdot \left(\ell \cdot \frac{2}{{\left(\sqrt[3]{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}}\right)\\ \mathbf{elif}\;t \leq 8 \cdot 10^{-49}:\\ \;\;\;\;\frac{2}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right) \cdot \left(\tan k \cdot \sin k\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{{\left(\sqrt[3]{\sin k} \cdot \left(t \cdot \sqrt[3]{{\ell}^{-2}}\right)\right)}^{3} \cdot \left(\tan k \cdot \left(1 + \left({\left(\frac{k}{t}\right)}^{2} + 1\right)\right)\right)}\\ \end{array} \]

Alternative 2: 85.3% accurate, 0.4× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := {\left(\frac{k}{t}\right)}^{2}\\ \mathbf{if}\;\frac{2}{\left(1 + \left(t_1 + 1\right)\right) \cdot \left(\tan k \cdot \left(\sin k \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right)\right)} \leq 4 \cdot 10^{+218}:\\ \;\;\;\;\ell \cdot \frac{\ell}{\frac{\left(\tan k \cdot \left(2 + t_1\right)\right) \cdot {\left(t \cdot \sqrt[3]{\sin k}\right)}^{3}}{2}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right) \cdot \left(\tan k \cdot \sin k\right)}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (pow (/ k t) 2.0)))
   (if (<=
        (/
         2.0
         (*
          (+ 1.0 (+ t_1 1.0))
          (* (tan k) (* (sin k) (/ (pow t 3.0) (* l l))))))
        4e+218)
     (*
      l
      (/ l (/ (* (* (tan k) (+ 2.0 t_1)) (pow (* t (cbrt (sin k))) 3.0)) 2.0)))
     (/ 2.0 (* (* (/ (* t k) l) (/ k l)) (* (tan k) (sin k)))))))
double code(double t, double l, double k) {
	double t_1 = pow((k / t), 2.0);
	double tmp;
	if ((2.0 / ((1.0 + (t_1 + 1.0)) * (tan(k) * (sin(k) * (pow(t, 3.0) / (l * l)))))) <= 4e+218) {
		tmp = l * (l / (((tan(k) * (2.0 + t_1)) * pow((t * cbrt(sin(k))), 3.0)) / 2.0));
	} else {
		tmp = 2.0 / ((((t * k) / l) * (k / l)) * (tan(k) * sin(k)));
	}
	return tmp;
}
public static double code(double t, double l, double k) {
	double t_1 = Math.pow((k / t), 2.0);
	double tmp;
	if ((2.0 / ((1.0 + (t_1 + 1.0)) * (Math.tan(k) * (Math.sin(k) * (Math.pow(t, 3.0) / (l * l)))))) <= 4e+218) {
		tmp = l * (l / (((Math.tan(k) * (2.0 + t_1)) * Math.pow((t * Math.cbrt(Math.sin(k))), 3.0)) / 2.0));
	} else {
		tmp = 2.0 / ((((t * k) / l) * (k / l)) * (Math.tan(k) * Math.sin(k)));
	}
	return tmp;
}
function code(t, l, k)
	t_1 = Float64(k / t) ^ 2.0
	tmp = 0.0
	if (Float64(2.0 / Float64(Float64(1.0 + Float64(t_1 + 1.0)) * Float64(tan(k) * Float64(sin(k) * Float64((t ^ 3.0) / Float64(l * l)))))) <= 4e+218)
		tmp = Float64(l * Float64(l / Float64(Float64(Float64(tan(k) * Float64(2.0 + t_1)) * (Float64(t * cbrt(sin(k))) ^ 3.0)) / 2.0)));
	else
		tmp = Float64(2.0 / Float64(Float64(Float64(Float64(t * k) / l) * Float64(k / l)) * Float64(tan(k) * sin(k))));
	end
	return tmp
end
code[t_, l_, k_] := Block[{t$95$1 = N[Power[N[(k / t), $MachinePrecision], 2.0], $MachinePrecision]}, If[LessEqual[N[(2.0 / N[(N[(1.0 + N[(t$95$1 + 1.0), $MachinePrecision]), $MachinePrecision] * N[(N[Tan[k], $MachinePrecision] * N[(N[Sin[k], $MachinePrecision] * N[(N[Power[t, 3.0], $MachinePrecision] / N[(l * l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 4e+218], N[(l * N[(l / N[(N[(N[(N[Tan[k], $MachinePrecision] * N[(2.0 + t$95$1), $MachinePrecision]), $MachinePrecision] * N[Power[N[(t * N[Power[N[Sin[k], $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision]), $MachinePrecision] / 2.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 / N[(N[(N[(N[(t * k), $MachinePrecision] / l), $MachinePrecision] * N[(k / l), $MachinePrecision]), $MachinePrecision] * N[(N[Tan[k], $MachinePrecision] * N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := {\left(\frac{k}{t}\right)}^{2}\\
\mathbf{if}\;\frac{2}{\left(1 + \left(t_1 + 1\right)\right) \cdot \left(\tan k \cdot \left(\sin k \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right)\right)} \leq 4 \cdot 10^{+218}:\\
\;\;\;\;\ell \cdot \frac{\ell}{\frac{\left(\tan k \cdot \left(2 + t_1\right)\right) \cdot {\left(t \cdot \sqrt[3]{\sin k}\right)}^{3}}{2}}\\

\mathbf{else}:\\
\;\;\;\;\frac{2}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right) \cdot \left(\tan k \cdot \sin k\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if (/.f64 2 (*.f64 (*.f64 (*.f64 (/.f64 (pow.f64 t 3) (*.f64 l l)) (sin.f64 k)) (tan.f64 k)) (+.f64 (+.f64 1 (pow.f64 (/.f64 k t) 2)) 1))) < 4.00000000000000033e218

    1. Initial program 82.3%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/l/82.3%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \]
      2. associate-*l/82.9%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{{t}^{3} \cdot \sin k}{\ell \cdot \ell}} \cdot \tan k} \]
      3. associate-*l/80.9%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}{\ell \cdot \ell}}} \]
      4. associate-/r/80.9%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k} \cdot \left(\ell \cdot \ell\right)} \]
      5. *-commutative80.9%

        \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}} \]
      6. associate-/l/80.8%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \color{blue}{\frac{2}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)}} \]
      7. associate-*r*81.4%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left({t}^{3} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      8. *-commutative81.4%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\left({t}^{3} \cdot \sin k\right) \cdot \color{blue}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \tan k\right)}} \]
      9. associate-*r*81.5%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right) \cdot \tan k}} \]
      10. *-commutative81.5%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\tan k \cdot \left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
    3. Simplified81.5%

      \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}} \]
    4. Step-by-step derivation
      1. add-cube-cbrt81.3%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left(\sqrt[3]{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)} \cdot \sqrt[3]{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}\right) \cdot \sqrt[3]{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}}} \]
      2. pow381.3%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{{\left(\sqrt[3]{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}\right)}^{3}}} \]
    5. Applied egg-rr86.3%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{{\left(\sqrt[3]{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}}} \]
    6. Step-by-step derivation
      1. pow186.3%

        \[\leadsto \color{blue}{{\left(\left(\ell \cdot \ell\right) \cdot \frac{2}{{\left(\sqrt[3]{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}}\right)}^{1}} \]
      2. associate-*l*89.2%

        \[\leadsto {\color{blue}{\left(\ell \cdot \left(\ell \cdot \frac{2}{{\left(\sqrt[3]{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}}\right)\right)}}^{1} \]
    7. Applied egg-rr89.2%

      \[\leadsto \color{blue}{{\left(\ell \cdot \left(\ell \cdot \frac{2}{{\left(\sqrt[3]{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}}\right)\right)}^{1}} \]
    8. Step-by-step derivation
      1. associate-*r/89.9%

        \[\leadsto {\left(\ell \cdot \color{blue}{\frac{\ell \cdot 2}{{\left(\sqrt[3]{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}}}\right)}^{1} \]
    9. Applied egg-rr89.9%

      \[\leadsto {\left(\ell \cdot \color{blue}{\frac{\ell \cdot 2}{{\left(\sqrt[3]{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}}}\right)}^{1} \]
    10. Step-by-step derivation
      1. associate-/l*89.9%

        \[\leadsto {\left(\ell \cdot \color{blue}{\frac{\ell}{\frac{{\left(\sqrt[3]{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}}{2}}}\right)}^{1} \]
      2. *-commutative89.9%

        \[\leadsto {\left(\ell \cdot \frac{\ell}{\frac{{\color{blue}{\left(\left(t \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)}\right)}}^{3}}{2}}\right)}^{1} \]
      3. cube-prod88.0%

        \[\leadsto {\left(\ell \cdot \frac{\ell}{\frac{\color{blue}{{\left(t \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot {\left(\sqrt[3]{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)}\right)}^{3}}}{2}}\right)}^{1} \]
      4. rem-cube-cbrt88.0%

        \[\leadsto {\left(\ell \cdot \frac{\ell}{\frac{{\left(t \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \color{blue}{\left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}}{2}}\right)}^{1} \]
      5. *-commutative88.0%

        \[\leadsto {\left(\ell \cdot \frac{\ell}{\frac{{\left(t \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \color{blue}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \tan k\right)}}{2}}\right)}^{1} \]
    11. Simplified88.0%

      \[\leadsto {\left(\ell \cdot \color{blue}{\frac{\ell}{\frac{{\left(t \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \tan k\right)}{2}}}\right)}^{1} \]

    if 4.00000000000000033e218 < (/.f64 2 (*.f64 (*.f64 (*.f64 (/.f64 (pow.f64 t 3) (*.f64 l l)) (sin.f64 k)) (tan.f64 k)) (+.f64 (+.f64 1 (pow.f64 (/.f64 k t) 2)) 1)))

    1. Initial program 24.2%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. *-commutative24.2%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
      2. associate-*l*23.3%

        \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)\right)}} \]
      3. associate-*r*23.3%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
      4. +-commutative23.3%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      5. associate-+r+23.3%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(\left(1 + 1\right) + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      6. metadata-eval23.3%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{2} + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    3. Simplified23.3%

      \[\leadsto \color{blue}{\frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    4. Step-by-step derivation
      1. add-cube-cbrt23.3%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \color{blue}{\left(\left(\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}}\right)}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. pow323.3%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \color{blue}{{\left(\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}}\right)}^{3}}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      3. div-inv22.4%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(\sqrt[3]{\color{blue}{{t}^{3} \cdot \frac{1}{\ell \cdot \ell}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      4. cbrt-prod22.4%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\color{blue}{\left(\sqrt[3]{{t}^{3}} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)}}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      5. unpow322.4%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(\sqrt[3]{\color{blue}{\left(t \cdot t\right) \cdot t}} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      6. add-cbrt-cube37.5%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(\color{blue}{t} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      7. pow237.5%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(t \cdot \sqrt[3]{\frac{1}{\color{blue}{{\ell}^{2}}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      8. pow-flip37.7%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(t \cdot \sqrt[3]{\color{blue}{{\ell}^{\left(-2\right)}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      9. metadata-eval37.7%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(t \cdot \sqrt[3]{{\ell}^{\color{blue}{-2}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    5. Applied egg-rr37.7%

      \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \color{blue}{{\left(t \cdot \sqrt[3]{{\ell}^{-2}}\right)}^{3}}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    6. Taylor expanded in k around inf 59.8%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot t}{{\ell}^{2}}} \cdot \left(\sin k \cdot \tan k\right)} \]
    7. Step-by-step derivation
      1. *-commutative59.8%

        \[\leadsto \frac{2}{\frac{\color{blue}{t \cdot {k}^{2}}}{{\ell}^{2}} \cdot \left(\sin k \cdot \tan k\right)} \]
      2. unpow259.8%

        \[\leadsto \frac{2}{\frac{t \cdot {k}^{2}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)} \]
      3. times-frac68.3%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{t}{\ell} \cdot \frac{{k}^{2}}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]
      4. unpow268.3%

        \[\leadsto \frac{2}{\left(\frac{t}{\ell} \cdot \frac{\color{blue}{k \cdot k}}{\ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    8. Simplified68.3%

      \[\leadsto \frac{2}{\color{blue}{\left(\frac{t}{\ell} \cdot \frac{k \cdot k}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]
    9. Taylor expanded in t around 0 59.8%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot t}{{\ell}^{2}}} \cdot \left(\sin k \cdot \tan k\right)} \]
    10. Step-by-step derivation
      1. *-commutative59.8%

        \[\leadsto \frac{2}{\frac{\color{blue}{t \cdot {k}^{2}}}{{\ell}^{2}} \cdot \left(\sin k \cdot \tan k\right)} \]
      2. unpow259.8%

        \[\leadsto \frac{2}{\frac{t \cdot {k}^{2}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)} \]
      3. unpow259.8%

        \[\leadsto \frac{2}{\frac{t \cdot \color{blue}{\left(k \cdot k\right)}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)} \]
      4. associate-*r*63.8%

        \[\leadsto \frac{2}{\frac{\color{blue}{\left(t \cdot k\right) \cdot k}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)} \]
      5. times-frac83.7%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]
    11. Simplified83.7%

      \[\leadsto \frac{2}{\color{blue}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification86.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\frac{2}{\left(1 + \left({\left(\frac{k}{t}\right)}^{2} + 1\right)\right) \cdot \left(\tan k \cdot \left(\sin k \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right)\right)} \leq 4 \cdot 10^{+218}:\\ \;\;\;\;\ell \cdot \frac{\ell}{\frac{\left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right) \cdot {\left(t \cdot \sqrt[3]{\sin k}\right)}^{3}}{2}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right) \cdot \left(\tan k \cdot \sin k\right)}\\ \end{array} \]

Alternative 3: 84.8% accurate, 0.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := 1 + \left({\left(\frac{k}{t}\right)}^{2} + 1\right)\\ \mathbf{if}\;\frac{2}{t_1 \cdot \left(\tan k \cdot \left(\sin k \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right)\right)} \leq 10^{+244}:\\ \;\;\;\;\frac{2}{\left(\tan k \cdot t_1\right) \cdot \left(\frac{{t}^{3}}{\ell} \cdot \frac{\sin k}{\ell}\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right) \cdot \left(\tan k \cdot \sin k\right)}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (+ 1.0 (+ (pow (/ k t) 2.0) 1.0))))
   (if (<=
        (/ 2.0 (* t_1 (* (tan k) (* (sin k) (/ (pow t 3.0) (* l l))))))
        1e+244)
     (/ 2.0 (* (* (tan k) t_1) (* (/ (pow t 3.0) l) (/ (sin k) l))))
     (/ 2.0 (* (* (/ (* t k) l) (/ k l)) (* (tan k) (sin k)))))))
double code(double t, double l, double k) {
	double t_1 = 1.0 + (pow((k / t), 2.0) + 1.0);
	double tmp;
	if ((2.0 / (t_1 * (tan(k) * (sin(k) * (pow(t, 3.0) / (l * l)))))) <= 1e+244) {
		tmp = 2.0 / ((tan(k) * t_1) * ((pow(t, 3.0) / l) * (sin(k) / l)));
	} else {
		tmp = 2.0 / ((((t * k) / l) * (k / l)) * (tan(k) * sin(k)));
	}
	return tmp;
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    real(8) :: t_1
    real(8) :: tmp
    t_1 = 1.0d0 + (((k / t) ** 2.0d0) + 1.0d0)
    if ((2.0d0 / (t_1 * (tan(k) * (sin(k) * ((t ** 3.0d0) / (l * l)))))) <= 1d+244) then
        tmp = 2.0d0 / ((tan(k) * t_1) * (((t ** 3.0d0) / l) * (sin(k) / l)))
    else
        tmp = 2.0d0 / ((((t * k) / l) * (k / l)) * (tan(k) * sin(k)))
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double t_1 = 1.0 + (Math.pow((k / t), 2.0) + 1.0);
	double tmp;
	if ((2.0 / (t_1 * (Math.tan(k) * (Math.sin(k) * (Math.pow(t, 3.0) / (l * l)))))) <= 1e+244) {
		tmp = 2.0 / ((Math.tan(k) * t_1) * ((Math.pow(t, 3.0) / l) * (Math.sin(k) / l)));
	} else {
		tmp = 2.0 / ((((t * k) / l) * (k / l)) * (Math.tan(k) * Math.sin(k)));
	}
	return tmp;
}
def code(t, l, k):
	t_1 = 1.0 + (math.pow((k / t), 2.0) + 1.0)
	tmp = 0
	if (2.0 / (t_1 * (math.tan(k) * (math.sin(k) * (math.pow(t, 3.0) / (l * l)))))) <= 1e+244:
		tmp = 2.0 / ((math.tan(k) * t_1) * ((math.pow(t, 3.0) / l) * (math.sin(k) / l)))
	else:
		tmp = 2.0 / ((((t * k) / l) * (k / l)) * (math.tan(k) * math.sin(k)))
	return tmp
function code(t, l, k)
	t_1 = Float64(1.0 + Float64((Float64(k / t) ^ 2.0) + 1.0))
	tmp = 0.0
	if (Float64(2.0 / Float64(t_1 * Float64(tan(k) * Float64(sin(k) * Float64((t ^ 3.0) / Float64(l * l)))))) <= 1e+244)
		tmp = Float64(2.0 / Float64(Float64(tan(k) * t_1) * Float64(Float64((t ^ 3.0) / l) * Float64(sin(k) / l))));
	else
		tmp = Float64(2.0 / Float64(Float64(Float64(Float64(t * k) / l) * Float64(k / l)) * Float64(tan(k) * sin(k))));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	t_1 = 1.0 + (((k / t) ^ 2.0) + 1.0);
	tmp = 0.0;
	if ((2.0 / (t_1 * (tan(k) * (sin(k) * ((t ^ 3.0) / (l * l)))))) <= 1e+244)
		tmp = 2.0 / ((tan(k) * t_1) * (((t ^ 3.0) / l) * (sin(k) / l)));
	else
		tmp = 2.0 / ((((t * k) / l) * (k / l)) * (tan(k) * sin(k)));
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := Block[{t$95$1 = N[(1.0 + N[(N[Power[N[(k / t), $MachinePrecision], 2.0], $MachinePrecision] + 1.0), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[N[(2.0 / N[(t$95$1 * N[(N[Tan[k], $MachinePrecision] * N[(N[Sin[k], $MachinePrecision] * N[(N[Power[t, 3.0], $MachinePrecision] / N[(l * l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 1e+244], N[(2.0 / N[(N[(N[Tan[k], $MachinePrecision] * t$95$1), $MachinePrecision] * N[(N[(N[Power[t, 3.0], $MachinePrecision] / l), $MachinePrecision] * N[(N[Sin[k], $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 / N[(N[(N[(N[(t * k), $MachinePrecision] / l), $MachinePrecision] * N[(k / l), $MachinePrecision]), $MachinePrecision] * N[(N[Tan[k], $MachinePrecision] * N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := 1 + \left({\left(\frac{k}{t}\right)}^{2} + 1\right)\\
\mathbf{if}\;\frac{2}{t_1 \cdot \left(\tan k \cdot \left(\sin k \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right)\right)} \leq 10^{+244}:\\
\;\;\;\;\frac{2}{\left(\tan k \cdot t_1\right) \cdot \left(\frac{{t}^{3}}{\ell} \cdot \frac{\sin k}{\ell}\right)}\\

\mathbf{else}:\\
\;\;\;\;\frac{2}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right) \cdot \left(\tan k \cdot \sin k\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if (/.f64 2 (*.f64 (*.f64 (*.f64 (/.f64 (pow.f64 t 3) (*.f64 l l)) (sin.f64 k)) (tan.f64 k)) (+.f64 (+.f64 1 (pow.f64 (/.f64 k t) 2)) 1))) < 1.00000000000000007e244

    1. Initial program 82.5%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-*l*82.5%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      2. +-commutative82.5%

        \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \color{blue}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)} \]
    3. Simplified82.5%

      \[\leadsto \color{blue}{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)}} \]
    4. Taylor expanded in t around 0 83.0%

      \[\leadsto \frac{2}{\color{blue}{\frac{\sin k \cdot {t}^{3}}{{\ell}^{2}}} \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
    5. Step-by-step derivation
      1. *-commutative69.7%

        \[\leadsto \frac{2}{\frac{\color{blue}{{t}^{3} \cdot \sin k}}{{\ell}^{2}} \cdot \left(2 \cdot k\right)} \]
      2. unpow269.7%

        \[\leadsto \frac{2}{\frac{{t}^{3} \cdot \sin k}{\color{blue}{\ell \cdot \ell}} \cdot \left(2 \cdot k\right)} \]
      3. times-frac70.6%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell} \cdot \frac{\sin k}{\ell}\right)} \cdot \left(2 \cdot k\right)} \]
    6. Simplified86.1%

      \[\leadsto \frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell} \cdot \frac{\sin k}{\ell}\right)} \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]

    if 1.00000000000000007e244 < (/.f64 2 (*.f64 (*.f64 (*.f64 (/.f64 (pow.f64 t 3) (*.f64 l l)) (sin.f64 k)) (tan.f64 k)) (+.f64 (+.f64 1 (pow.f64 (/.f64 k t) 2)) 1)))

    1. Initial program 23.5%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. *-commutative23.5%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
      2. associate-*l*23.5%

        \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)\right)}} \]
      3. associate-*r*23.5%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
      4. +-commutative23.5%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      5. associate-+r+23.5%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(\left(1 + 1\right) + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      6. metadata-eval23.5%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{2} + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    3. Simplified23.5%

      \[\leadsto \color{blue}{\frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    4. Step-by-step derivation
      1. add-cube-cbrt23.5%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \color{blue}{\left(\left(\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}}\right)}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. pow323.5%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \color{blue}{{\left(\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}}\right)}^{3}}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      3. div-inv22.6%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(\sqrt[3]{\color{blue}{{t}^{3} \cdot \frac{1}{\ell \cdot \ell}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      4. cbrt-prod22.6%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\color{blue}{\left(\sqrt[3]{{t}^{3}} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)}}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      5. unpow322.6%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(\sqrt[3]{\color{blue}{\left(t \cdot t\right) \cdot t}} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      6. add-cbrt-cube37.8%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(\color{blue}{t} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      7. pow237.8%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(t \cdot \sqrt[3]{\frac{1}{\color{blue}{{\ell}^{2}}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      8. pow-flip38.0%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(t \cdot \sqrt[3]{\color{blue}{{\ell}^{\left(-2\right)}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      9. metadata-eval38.0%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(t \cdot \sqrt[3]{{\ell}^{\color{blue}{-2}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    5. Applied egg-rr38.0%

      \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \color{blue}{{\left(t \cdot \sqrt[3]{{\ell}^{-2}}\right)}^{3}}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    6. Taylor expanded in k around inf 60.3%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot t}{{\ell}^{2}}} \cdot \left(\sin k \cdot \tan k\right)} \]
    7. Step-by-step derivation
      1. *-commutative60.3%

        \[\leadsto \frac{2}{\frac{\color{blue}{t \cdot {k}^{2}}}{{\ell}^{2}} \cdot \left(\sin k \cdot \tan k\right)} \]
      2. unpow260.3%

        \[\leadsto \frac{2}{\frac{t \cdot {k}^{2}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)} \]
      3. times-frac68.9%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{t}{\ell} \cdot \frac{{k}^{2}}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]
      4. unpow268.9%

        \[\leadsto \frac{2}{\left(\frac{t}{\ell} \cdot \frac{\color{blue}{k \cdot k}}{\ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    8. Simplified68.9%

      \[\leadsto \frac{2}{\color{blue}{\left(\frac{t}{\ell} \cdot \frac{k \cdot k}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]
    9. Taylor expanded in t around 0 60.3%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot t}{{\ell}^{2}}} \cdot \left(\sin k \cdot \tan k\right)} \]
    10. Step-by-step derivation
      1. *-commutative60.3%

        \[\leadsto \frac{2}{\frac{\color{blue}{t \cdot {k}^{2}}}{{\ell}^{2}} \cdot \left(\sin k \cdot \tan k\right)} \]
      2. unpow260.3%

        \[\leadsto \frac{2}{\frac{t \cdot {k}^{2}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)} \]
      3. unpow260.3%

        \[\leadsto \frac{2}{\frac{t \cdot \color{blue}{\left(k \cdot k\right)}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)} \]
      4. associate-*r*64.3%

        \[\leadsto \frac{2}{\frac{\color{blue}{\left(t \cdot k\right) \cdot k}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)} \]
      5. times-frac84.4%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]
    11. Simplified84.4%

      \[\leadsto \frac{2}{\color{blue}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification85.4%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\frac{2}{\left(1 + \left({\left(\frac{k}{t}\right)}^{2} + 1\right)\right) \cdot \left(\tan k \cdot \left(\sin k \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right)\right)} \leq 10^{+244}:\\ \;\;\;\;\frac{2}{\left(\tan k \cdot \left(1 + \left({\left(\frac{k}{t}\right)}^{2} + 1\right)\right)\right) \cdot \left(\frac{{t}^{3}}{\ell} \cdot \frac{\sin k}{\ell}\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right) \cdot \left(\tan k \cdot \sin k\right)}\\ \end{array} \]

Alternative 4: 83.2% accurate, 0.5× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := {\left(\frac{k}{t}\right)}^{2}\\ \mathbf{if}\;\frac{2}{\left(1 + \left(t_1 + 1\right)\right) \cdot \left(\tan k \cdot \left(\sin k \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right)\right)} \leq 4 \cdot 10^{+218}:\\ \;\;\;\;\ell \cdot \left(\ell \cdot \frac{2}{\tan k \cdot \left(\left(2 + t_1\right) \cdot \left(\sin k \cdot {t}^{3}\right)\right)}\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right) \cdot \left(\tan k \cdot \sin k\right)}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (pow (/ k t) 2.0)))
   (if (<=
        (/
         2.0
         (*
          (+ 1.0 (+ t_1 1.0))
          (* (tan k) (* (sin k) (/ (pow t 3.0) (* l l))))))
        4e+218)
     (* l (* l (/ 2.0 (* (tan k) (* (+ 2.0 t_1) (* (sin k) (pow t 3.0)))))))
     (/ 2.0 (* (* (/ (* t k) l) (/ k l)) (* (tan k) (sin k)))))))
double code(double t, double l, double k) {
	double t_1 = pow((k / t), 2.0);
	double tmp;
	if ((2.0 / ((1.0 + (t_1 + 1.0)) * (tan(k) * (sin(k) * (pow(t, 3.0) / (l * l)))))) <= 4e+218) {
		tmp = l * (l * (2.0 / (tan(k) * ((2.0 + t_1) * (sin(k) * pow(t, 3.0))))));
	} else {
		tmp = 2.0 / ((((t * k) / l) * (k / l)) * (tan(k) * sin(k)));
	}
	return tmp;
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    real(8) :: t_1
    real(8) :: tmp
    t_1 = (k / t) ** 2.0d0
    if ((2.0d0 / ((1.0d0 + (t_1 + 1.0d0)) * (tan(k) * (sin(k) * ((t ** 3.0d0) / (l * l)))))) <= 4d+218) then
        tmp = l * (l * (2.0d0 / (tan(k) * ((2.0d0 + t_1) * (sin(k) * (t ** 3.0d0))))))
    else
        tmp = 2.0d0 / ((((t * k) / l) * (k / l)) * (tan(k) * sin(k)))
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double t_1 = Math.pow((k / t), 2.0);
	double tmp;
	if ((2.0 / ((1.0 + (t_1 + 1.0)) * (Math.tan(k) * (Math.sin(k) * (Math.pow(t, 3.0) / (l * l)))))) <= 4e+218) {
		tmp = l * (l * (2.0 / (Math.tan(k) * ((2.0 + t_1) * (Math.sin(k) * Math.pow(t, 3.0))))));
	} else {
		tmp = 2.0 / ((((t * k) / l) * (k / l)) * (Math.tan(k) * Math.sin(k)));
	}
	return tmp;
}
def code(t, l, k):
	t_1 = math.pow((k / t), 2.0)
	tmp = 0
	if (2.0 / ((1.0 + (t_1 + 1.0)) * (math.tan(k) * (math.sin(k) * (math.pow(t, 3.0) / (l * l)))))) <= 4e+218:
		tmp = l * (l * (2.0 / (math.tan(k) * ((2.0 + t_1) * (math.sin(k) * math.pow(t, 3.0))))))
	else:
		tmp = 2.0 / ((((t * k) / l) * (k / l)) * (math.tan(k) * math.sin(k)))
	return tmp
function code(t, l, k)
	t_1 = Float64(k / t) ^ 2.0
	tmp = 0.0
	if (Float64(2.0 / Float64(Float64(1.0 + Float64(t_1 + 1.0)) * Float64(tan(k) * Float64(sin(k) * Float64((t ^ 3.0) / Float64(l * l)))))) <= 4e+218)
		tmp = Float64(l * Float64(l * Float64(2.0 / Float64(tan(k) * Float64(Float64(2.0 + t_1) * Float64(sin(k) * (t ^ 3.0)))))));
	else
		tmp = Float64(2.0 / Float64(Float64(Float64(Float64(t * k) / l) * Float64(k / l)) * Float64(tan(k) * sin(k))));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	t_1 = (k / t) ^ 2.0;
	tmp = 0.0;
	if ((2.0 / ((1.0 + (t_1 + 1.0)) * (tan(k) * (sin(k) * ((t ^ 3.0) / (l * l)))))) <= 4e+218)
		tmp = l * (l * (2.0 / (tan(k) * ((2.0 + t_1) * (sin(k) * (t ^ 3.0))))));
	else
		tmp = 2.0 / ((((t * k) / l) * (k / l)) * (tan(k) * sin(k)));
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := Block[{t$95$1 = N[Power[N[(k / t), $MachinePrecision], 2.0], $MachinePrecision]}, If[LessEqual[N[(2.0 / N[(N[(1.0 + N[(t$95$1 + 1.0), $MachinePrecision]), $MachinePrecision] * N[(N[Tan[k], $MachinePrecision] * N[(N[Sin[k], $MachinePrecision] * N[(N[Power[t, 3.0], $MachinePrecision] / N[(l * l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 4e+218], N[(l * N[(l * N[(2.0 / N[(N[Tan[k], $MachinePrecision] * N[(N[(2.0 + t$95$1), $MachinePrecision] * N[(N[Sin[k], $MachinePrecision] * N[Power[t, 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 / N[(N[(N[(N[(t * k), $MachinePrecision] / l), $MachinePrecision] * N[(k / l), $MachinePrecision]), $MachinePrecision] * N[(N[Tan[k], $MachinePrecision] * N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := {\left(\frac{k}{t}\right)}^{2}\\
\mathbf{if}\;\frac{2}{\left(1 + \left(t_1 + 1\right)\right) \cdot \left(\tan k \cdot \left(\sin k \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right)\right)} \leq 4 \cdot 10^{+218}:\\
\;\;\;\;\ell \cdot \left(\ell \cdot \frac{2}{\tan k \cdot \left(\left(2 + t_1\right) \cdot \left(\sin k \cdot {t}^{3}\right)\right)}\right)\\

\mathbf{else}:\\
\;\;\;\;\frac{2}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right) \cdot \left(\tan k \cdot \sin k\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if (/.f64 2 (*.f64 (*.f64 (*.f64 (/.f64 (pow.f64 t 3) (*.f64 l l)) (sin.f64 k)) (tan.f64 k)) (+.f64 (+.f64 1 (pow.f64 (/.f64 k t) 2)) 1))) < 4.00000000000000033e218

    1. Initial program 82.3%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/l/82.3%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \]
      2. associate-*l/82.9%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{{t}^{3} \cdot \sin k}{\ell \cdot \ell}} \cdot \tan k} \]
      3. associate-*l/80.9%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}{\ell \cdot \ell}}} \]
      4. associate-/r/80.9%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k} \cdot \left(\ell \cdot \ell\right)} \]
      5. *-commutative80.9%

        \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}} \]
      6. associate-/l/80.8%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \color{blue}{\frac{2}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)}} \]
      7. associate-*r*81.4%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left({t}^{3} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      8. *-commutative81.4%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\left({t}^{3} \cdot \sin k\right) \cdot \color{blue}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \tan k\right)}} \]
      9. associate-*r*81.5%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right) \cdot \tan k}} \]
      10. *-commutative81.5%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\tan k \cdot \left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
    3. Simplified81.5%

      \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}} \]
    4. Step-by-step derivation
      1. expm1-log1p-u66.9%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(\left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}\right)\right)} \]
      2. expm1-udef60.0%

        \[\leadsto \color{blue}{e^{\mathsf{log1p}\left(\left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}\right)} - 1} \]
    5. Applied egg-rr60.0%

      \[\leadsto \color{blue}{e^{\mathsf{log1p}\left(\left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}\right)} - 1} \]
    6. Step-by-step derivation
      1. expm1-def66.9%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(\left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}\right)\right)} \]
      2. expm1-log1p81.5%

        \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}} \]
      3. associate-*l*84.1%

        \[\leadsto \color{blue}{\ell \cdot \left(\ell \cdot \frac{2}{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}\right)} \]
      4. *-commutative84.1%

        \[\leadsto \ell \cdot \left(\ell \cdot \frac{2}{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \color{blue}{\left(\sin k \cdot {t}^{3}\right)}\right)}\right) \]
    7. Simplified84.1%

      \[\leadsto \color{blue}{\ell \cdot \left(\ell \cdot \frac{2}{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot {t}^{3}\right)\right)}\right)} \]

    if 4.00000000000000033e218 < (/.f64 2 (*.f64 (*.f64 (*.f64 (/.f64 (pow.f64 t 3) (*.f64 l l)) (sin.f64 k)) (tan.f64 k)) (+.f64 (+.f64 1 (pow.f64 (/.f64 k t) 2)) 1)))

    1. Initial program 24.2%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. *-commutative24.2%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
      2. associate-*l*23.3%

        \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)\right)}} \]
      3. associate-*r*23.3%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
      4. +-commutative23.3%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      5. associate-+r+23.3%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(\left(1 + 1\right) + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      6. metadata-eval23.3%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{2} + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    3. Simplified23.3%

      \[\leadsto \color{blue}{\frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    4. Step-by-step derivation
      1. add-cube-cbrt23.3%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \color{blue}{\left(\left(\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}}\right)}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. pow323.3%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \color{blue}{{\left(\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}}\right)}^{3}}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      3. div-inv22.4%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(\sqrt[3]{\color{blue}{{t}^{3} \cdot \frac{1}{\ell \cdot \ell}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      4. cbrt-prod22.4%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\color{blue}{\left(\sqrt[3]{{t}^{3}} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)}}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      5. unpow322.4%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(\sqrt[3]{\color{blue}{\left(t \cdot t\right) \cdot t}} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      6. add-cbrt-cube37.5%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(\color{blue}{t} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      7. pow237.5%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(t \cdot \sqrt[3]{\frac{1}{\color{blue}{{\ell}^{2}}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      8. pow-flip37.7%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(t \cdot \sqrt[3]{\color{blue}{{\ell}^{\left(-2\right)}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      9. metadata-eval37.7%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(t \cdot \sqrt[3]{{\ell}^{\color{blue}{-2}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    5. Applied egg-rr37.7%

      \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \color{blue}{{\left(t \cdot \sqrt[3]{{\ell}^{-2}}\right)}^{3}}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    6. Taylor expanded in k around inf 59.8%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot t}{{\ell}^{2}}} \cdot \left(\sin k \cdot \tan k\right)} \]
    7. Step-by-step derivation
      1. *-commutative59.8%

        \[\leadsto \frac{2}{\frac{\color{blue}{t \cdot {k}^{2}}}{{\ell}^{2}} \cdot \left(\sin k \cdot \tan k\right)} \]
      2. unpow259.8%

        \[\leadsto \frac{2}{\frac{t \cdot {k}^{2}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)} \]
      3. times-frac68.3%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{t}{\ell} \cdot \frac{{k}^{2}}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]
      4. unpow268.3%

        \[\leadsto \frac{2}{\left(\frac{t}{\ell} \cdot \frac{\color{blue}{k \cdot k}}{\ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    8. Simplified68.3%

      \[\leadsto \frac{2}{\color{blue}{\left(\frac{t}{\ell} \cdot \frac{k \cdot k}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]
    9. Taylor expanded in t around 0 59.8%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot t}{{\ell}^{2}}} \cdot \left(\sin k \cdot \tan k\right)} \]
    10. Step-by-step derivation
      1. *-commutative59.8%

        \[\leadsto \frac{2}{\frac{\color{blue}{t \cdot {k}^{2}}}{{\ell}^{2}} \cdot \left(\sin k \cdot \tan k\right)} \]
      2. unpow259.8%

        \[\leadsto \frac{2}{\frac{t \cdot {k}^{2}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)} \]
      3. unpow259.8%

        \[\leadsto \frac{2}{\frac{t \cdot \color{blue}{\left(k \cdot k\right)}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)} \]
      4. associate-*r*63.8%

        \[\leadsto \frac{2}{\frac{\color{blue}{\left(t \cdot k\right) \cdot k}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)} \]
      5. times-frac83.7%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]
    11. Simplified83.7%

      \[\leadsto \frac{2}{\color{blue}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification83.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;\frac{2}{\left(1 + \left({\left(\frac{k}{t}\right)}^{2} + 1\right)\right) \cdot \left(\tan k \cdot \left(\sin k \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right)\right)} \leq 4 \cdot 10^{+218}:\\ \;\;\;\;\ell \cdot \left(\ell \cdot \frac{2}{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left(\sin k \cdot {t}^{3}\right)\right)}\right)\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right) \cdot \left(\tan k \cdot \sin k\right)}\\ \end{array} \]

Alternative 5: 83.8% accurate, 0.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := {\left(\frac{k}{t}\right)}^{2}\\ t_2 := \sqrt[3]{\sin k}\\ \mathbf{if}\;t \leq -4.4 \cdot 10^{+44}:\\ \;\;\;\;\frac{2}{{\left(\sqrt[3]{\tan k \cdot \left(2 + t_1\right)} \cdot \left(t \cdot t_2\right)\right)}^{3}} \cdot \left(\ell \cdot \ell\right)\\ \mathbf{elif}\;t \leq 8 \cdot 10^{-49}:\\ \;\;\;\;\frac{2}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right) \cdot \left(\tan k \cdot \sin k\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{{\left(t_2 \cdot \left(t \cdot \sqrt[3]{{\ell}^{-2}}\right)\right)}^{3} \cdot \left(\tan k \cdot \left(1 + \left(t_1 + 1\right)\right)\right)}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (pow (/ k t) 2.0)) (t_2 (cbrt (sin k))))
   (if (<= t -4.4e+44)
     (* (/ 2.0 (pow (* (cbrt (* (tan k) (+ 2.0 t_1))) (* t t_2)) 3.0)) (* l l))
     (if (<= t 8e-49)
       (/ 2.0 (* (* (/ (* t k) l) (/ k l)) (* (tan k) (sin k))))
       (/
        2.0
        (*
         (pow (* t_2 (* t (cbrt (pow l -2.0)))) 3.0)
         (* (tan k) (+ 1.0 (+ t_1 1.0)))))))))
double code(double t, double l, double k) {
	double t_1 = pow((k / t), 2.0);
	double t_2 = cbrt(sin(k));
	double tmp;
	if (t <= -4.4e+44) {
		tmp = (2.0 / pow((cbrt((tan(k) * (2.0 + t_1))) * (t * t_2)), 3.0)) * (l * l);
	} else if (t <= 8e-49) {
		tmp = 2.0 / ((((t * k) / l) * (k / l)) * (tan(k) * sin(k)));
	} else {
		tmp = 2.0 / (pow((t_2 * (t * cbrt(pow(l, -2.0)))), 3.0) * (tan(k) * (1.0 + (t_1 + 1.0))));
	}
	return tmp;
}
public static double code(double t, double l, double k) {
	double t_1 = Math.pow((k / t), 2.0);
	double t_2 = Math.cbrt(Math.sin(k));
	double tmp;
	if (t <= -4.4e+44) {
		tmp = (2.0 / Math.pow((Math.cbrt((Math.tan(k) * (2.0 + t_1))) * (t * t_2)), 3.0)) * (l * l);
	} else if (t <= 8e-49) {
		tmp = 2.0 / ((((t * k) / l) * (k / l)) * (Math.tan(k) * Math.sin(k)));
	} else {
		tmp = 2.0 / (Math.pow((t_2 * (t * Math.cbrt(Math.pow(l, -2.0)))), 3.0) * (Math.tan(k) * (1.0 + (t_1 + 1.0))));
	}
	return tmp;
}
function code(t, l, k)
	t_1 = Float64(k / t) ^ 2.0
	t_2 = cbrt(sin(k))
	tmp = 0.0
	if (t <= -4.4e+44)
		tmp = Float64(Float64(2.0 / (Float64(cbrt(Float64(tan(k) * Float64(2.0 + t_1))) * Float64(t * t_2)) ^ 3.0)) * Float64(l * l));
	elseif (t <= 8e-49)
		tmp = Float64(2.0 / Float64(Float64(Float64(Float64(t * k) / l) * Float64(k / l)) * Float64(tan(k) * sin(k))));
	else
		tmp = Float64(2.0 / Float64((Float64(t_2 * Float64(t * cbrt((l ^ -2.0)))) ^ 3.0) * Float64(tan(k) * Float64(1.0 + Float64(t_1 + 1.0)))));
	end
	return tmp
end
code[t_, l_, k_] := Block[{t$95$1 = N[Power[N[(k / t), $MachinePrecision], 2.0], $MachinePrecision]}, Block[{t$95$2 = N[Power[N[Sin[k], $MachinePrecision], 1/3], $MachinePrecision]}, If[LessEqual[t, -4.4e+44], N[(N[(2.0 / N[Power[N[(N[Power[N[(N[Tan[k], $MachinePrecision] * N[(2.0 + t$95$1), $MachinePrecision]), $MachinePrecision], 1/3], $MachinePrecision] * N[(t * t$95$2), $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision]), $MachinePrecision] * N[(l * l), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 8e-49], N[(2.0 / N[(N[(N[(N[(t * k), $MachinePrecision] / l), $MachinePrecision] * N[(k / l), $MachinePrecision]), $MachinePrecision] * N[(N[Tan[k], $MachinePrecision] * N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 / N[(N[Power[N[(t$95$2 * N[(t * N[Power[N[Power[l, -2.0], $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision] * N[(N[Tan[k], $MachinePrecision] * N[(1.0 + N[(t$95$1 + 1.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := {\left(\frac{k}{t}\right)}^{2}\\
t_2 := \sqrt[3]{\sin k}\\
\mathbf{if}\;t \leq -4.4 \cdot 10^{+44}:\\
\;\;\;\;\frac{2}{{\left(\sqrt[3]{\tan k \cdot \left(2 + t_1\right)} \cdot \left(t \cdot t_2\right)\right)}^{3}} \cdot \left(\ell \cdot \ell\right)\\

\mathbf{elif}\;t \leq 8 \cdot 10^{-49}:\\
\;\;\;\;\frac{2}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right) \cdot \left(\tan k \cdot \sin k\right)}\\

\mathbf{else}:\\
\;\;\;\;\frac{2}{{\left(t_2 \cdot \left(t \cdot \sqrt[3]{{\ell}^{-2}}\right)\right)}^{3} \cdot \left(\tan k \cdot \left(1 + \left(t_1 + 1\right)\right)\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if t < -4.39999999999999991e44

    1. Initial program 58.4%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/l/58.4%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \]
      2. associate-*l/58.4%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{{t}^{3} \cdot \sin k}{\ell \cdot \ell}} \cdot \tan k} \]
      3. associate-*l/59.8%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}{\ell \cdot \ell}}} \]
      4. associate-/r/59.6%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k} \cdot \left(\ell \cdot \ell\right)} \]
      5. *-commutative59.6%

        \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}} \]
      6. associate-/l/59.6%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \color{blue}{\frac{2}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)}} \]
      7. associate-*r*59.6%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left({t}^{3} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      8. *-commutative59.6%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\left({t}^{3} \cdot \sin k\right) \cdot \color{blue}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \tan k\right)}} \]
      9. associate-*r*59.6%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right) \cdot \tan k}} \]
      10. *-commutative59.6%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\tan k \cdot \left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
    3. Simplified59.6%

      \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}} \]
    4. Step-by-step derivation
      1. add-cube-cbrt59.5%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left(\sqrt[3]{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)} \cdot \sqrt[3]{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}\right) \cdot \sqrt[3]{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}}} \]
      2. pow359.5%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{{\left(\sqrt[3]{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}\right)}^{3}}} \]
    5. Applied egg-rr80.8%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{{\left(\sqrt[3]{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}}} \]

    if -4.39999999999999991e44 < t < 7.99999999999999949e-49

    1. Initial program 46.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. *-commutative46.0%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
      2. associate-*l*45.3%

        \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)\right)}} \]
      3. associate-*r*45.2%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
      4. +-commutative45.2%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      5. associate-+r+45.2%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(\left(1 + 1\right) + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      6. metadata-eval45.2%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{2} + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    3. Simplified45.2%

      \[\leadsto \color{blue}{\frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    4. Step-by-step derivation
      1. add-cube-cbrt45.2%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \color{blue}{\left(\left(\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}}\right)}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. pow345.2%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \color{blue}{{\left(\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}}\right)}^{3}}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      3. div-inv44.4%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(\sqrt[3]{\color{blue}{{t}^{3} \cdot \frac{1}{\ell \cdot \ell}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      4. cbrt-prod44.4%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\color{blue}{\left(\sqrt[3]{{t}^{3}} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)}}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      5. unpow344.4%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(\sqrt[3]{\color{blue}{\left(t \cdot t\right) \cdot t}} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      6. add-cbrt-cube51.4%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(\color{blue}{t} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      7. pow251.4%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(t \cdot \sqrt[3]{\frac{1}{\color{blue}{{\ell}^{2}}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      8. pow-flip51.5%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(t \cdot \sqrt[3]{\color{blue}{{\ell}^{\left(-2\right)}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      9. metadata-eval51.5%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(t \cdot \sqrt[3]{{\ell}^{\color{blue}{-2}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    5. Applied egg-rr51.5%

      \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \color{blue}{{\left(t \cdot \sqrt[3]{{\ell}^{-2}}\right)}^{3}}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    6. Taylor expanded in k around inf 71.6%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot t}{{\ell}^{2}}} \cdot \left(\sin k \cdot \tan k\right)} \]
    7. Step-by-step derivation
      1. *-commutative71.6%

        \[\leadsto \frac{2}{\frac{\color{blue}{t \cdot {k}^{2}}}{{\ell}^{2}} \cdot \left(\sin k \cdot \tan k\right)} \]
      2. unpow271.6%

        \[\leadsto \frac{2}{\frac{t \cdot {k}^{2}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)} \]
      3. times-frac81.8%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{t}{\ell} \cdot \frac{{k}^{2}}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]
      4. unpow281.8%

        \[\leadsto \frac{2}{\left(\frac{t}{\ell} \cdot \frac{\color{blue}{k \cdot k}}{\ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    8. Simplified81.8%

      \[\leadsto \frac{2}{\color{blue}{\left(\frac{t}{\ell} \cdot \frac{k \cdot k}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]
    9. Taylor expanded in t around 0 71.6%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot t}{{\ell}^{2}}} \cdot \left(\sin k \cdot \tan k\right)} \]
    10. Step-by-step derivation
      1. *-commutative71.6%

        \[\leadsto \frac{2}{\frac{\color{blue}{t \cdot {k}^{2}}}{{\ell}^{2}} \cdot \left(\sin k \cdot \tan k\right)} \]
      2. unpow271.6%

        \[\leadsto \frac{2}{\frac{t \cdot {k}^{2}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)} \]
      3. unpow271.6%

        \[\leadsto \frac{2}{\frac{t \cdot \color{blue}{\left(k \cdot k\right)}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)} \]
      4. associate-*r*75.1%

        \[\leadsto \frac{2}{\frac{\color{blue}{\left(t \cdot k\right) \cdot k}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)} \]
      5. times-frac94.3%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]
    11. Simplified94.3%

      \[\leadsto \frac{2}{\color{blue}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]

    if 7.99999999999999949e-49 < t

    1. Initial program 76.8%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-*l*76.8%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      2. +-commutative76.8%

        \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \color{blue}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)} \]
    3. Simplified76.8%

      \[\leadsto \color{blue}{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)}} \]
    4. Step-by-step derivation
      1. add-cube-cbrt76.6%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k}\right)} \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      2. pow376.6%

        \[\leadsto \frac{2}{\color{blue}{{\left(\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k}\right)}^{3}} \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      3. cbrt-prod76.5%

        \[\leadsto \frac{2}{{\color{blue}{\left(\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}} \cdot \sqrt[3]{\sin k}\right)}}^{3} \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      4. div-inv76.5%

        \[\leadsto \frac{2}{{\left(\sqrt[3]{\color{blue}{{t}^{3} \cdot \frac{1}{\ell \cdot \ell}}} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      5. cbrt-prod77.7%

        \[\leadsto \frac{2}{{\left(\color{blue}{\left(\sqrt[3]{{t}^{3}} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)} \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      6. unpow377.7%

        \[\leadsto \frac{2}{{\left(\left(\sqrt[3]{\color{blue}{\left(t \cdot t\right) \cdot t}} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right) \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      7. add-cbrt-cube84.3%

        \[\leadsto \frac{2}{{\left(\left(\color{blue}{t} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right) \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      8. pow284.3%

        \[\leadsto \frac{2}{{\left(\left(t \cdot \sqrt[3]{\frac{1}{\color{blue}{{\ell}^{2}}}}\right) \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      9. pow-flip84.3%

        \[\leadsto \frac{2}{{\left(\left(t \cdot \sqrt[3]{\color{blue}{{\ell}^{\left(-2\right)}}}\right) \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
      10. metadata-eval84.3%

        \[\leadsto \frac{2}{{\left(\left(t \cdot \sqrt[3]{{\ell}^{\color{blue}{-2}}}\right) \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
    5. Applied egg-rr84.3%

      \[\leadsto \frac{2}{\color{blue}{{\left(\left(t \cdot \sqrt[3]{{\ell}^{-2}}\right) \cdot \sqrt[3]{\sin k}\right)}^{3}} \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification88.4%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -4.4 \cdot 10^{+44}:\\ \;\;\;\;\frac{2}{{\left(\sqrt[3]{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}} \cdot \left(\ell \cdot \ell\right)\\ \mathbf{elif}\;t \leq 8 \cdot 10^{-49}:\\ \;\;\;\;\frac{2}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right) \cdot \left(\tan k \cdot \sin k\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{{\left(\sqrt[3]{\sin k} \cdot \left(t \cdot \sqrt[3]{{\ell}^{-2}}\right)\right)}^{3} \cdot \left(\tan k \cdot \left(1 + \left({\left(\frac{k}{t}\right)}^{2} + 1\right)\right)\right)}\\ \end{array} \]

Alternative 6: 84.4% accurate, 0.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := t \cdot \sqrt[3]{\sin k}\\ t_2 := \tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\\ \mathbf{if}\;t \leq -8.5 \cdot 10^{+43}:\\ \;\;\;\;\frac{2}{{\left(\sqrt[3]{t_2} \cdot t_1\right)}^{3}} \cdot \left(\ell \cdot \ell\right)\\ \mathbf{elif}\;t \leq 8.5 \cdot 10^{-72}:\\ \;\;\;\;\frac{2}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right) \cdot \left(\tan k \cdot \sin k\right)}\\ \mathbf{else}:\\ \;\;\;\;\ell \cdot \left(\ell \cdot \frac{\frac{2}{{t_1}^{3}}}{t_2}\right)\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (* t (cbrt (sin k)))) (t_2 (* (tan k) (+ 2.0 (pow (/ k t) 2.0)))))
   (if (<= t -8.5e+43)
     (* (/ 2.0 (pow (* (cbrt t_2) t_1) 3.0)) (* l l))
     (if (<= t 8.5e-72)
       (/ 2.0 (* (* (/ (* t k) l) (/ k l)) (* (tan k) (sin k))))
       (* l (* l (/ (/ 2.0 (pow t_1 3.0)) t_2)))))))
double code(double t, double l, double k) {
	double t_1 = t * cbrt(sin(k));
	double t_2 = tan(k) * (2.0 + pow((k / t), 2.0));
	double tmp;
	if (t <= -8.5e+43) {
		tmp = (2.0 / pow((cbrt(t_2) * t_1), 3.0)) * (l * l);
	} else if (t <= 8.5e-72) {
		tmp = 2.0 / ((((t * k) / l) * (k / l)) * (tan(k) * sin(k)));
	} else {
		tmp = l * (l * ((2.0 / pow(t_1, 3.0)) / t_2));
	}
	return tmp;
}
public static double code(double t, double l, double k) {
	double t_1 = t * Math.cbrt(Math.sin(k));
	double t_2 = Math.tan(k) * (2.0 + Math.pow((k / t), 2.0));
	double tmp;
	if (t <= -8.5e+43) {
		tmp = (2.0 / Math.pow((Math.cbrt(t_2) * t_1), 3.0)) * (l * l);
	} else if (t <= 8.5e-72) {
		tmp = 2.0 / ((((t * k) / l) * (k / l)) * (Math.tan(k) * Math.sin(k)));
	} else {
		tmp = l * (l * ((2.0 / Math.pow(t_1, 3.0)) / t_2));
	}
	return tmp;
}
function code(t, l, k)
	t_1 = Float64(t * cbrt(sin(k)))
	t_2 = Float64(tan(k) * Float64(2.0 + (Float64(k / t) ^ 2.0)))
	tmp = 0.0
	if (t <= -8.5e+43)
		tmp = Float64(Float64(2.0 / (Float64(cbrt(t_2) * t_1) ^ 3.0)) * Float64(l * l));
	elseif (t <= 8.5e-72)
		tmp = Float64(2.0 / Float64(Float64(Float64(Float64(t * k) / l) * Float64(k / l)) * Float64(tan(k) * sin(k))));
	else
		tmp = Float64(l * Float64(l * Float64(Float64(2.0 / (t_1 ^ 3.0)) / t_2)));
	end
	return tmp
end
code[t_, l_, k_] := Block[{t$95$1 = N[(t * N[Power[N[Sin[k], $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(N[Tan[k], $MachinePrecision] * N[(2.0 + N[Power[N[(k / t), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t, -8.5e+43], N[(N[(2.0 / N[Power[N[(N[Power[t$95$2, 1/3], $MachinePrecision] * t$95$1), $MachinePrecision], 3.0], $MachinePrecision]), $MachinePrecision] * N[(l * l), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 8.5e-72], N[(2.0 / N[(N[(N[(N[(t * k), $MachinePrecision] / l), $MachinePrecision] * N[(k / l), $MachinePrecision]), $MachinePrecision] * N[(N[Tan[k], $MachinePrecision] * N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(l * N[(l * N[(N[(2.0 / N[Power[t$95$1, 3.0], $MachinePrecision]), $MachinePrecision] / t$95$2), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := t \cdot \sqrt[3]{\sin k}\\
t_2 := \tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\\
\mathbf{if}\;t \leq -8.5 \cdot 10^{+43}:\\
\;\;\;\;\frac{2}{{\left(\sqrt[3]{t_2} \cdot t_1\right)}^{3}} \cdot \left(\ell \cdot \ell\right)\\

\mathbf{elif}\;t \leq 8.5 \cdot 10^{-72}:\\
\;\;\;\;\frac{2}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right) \cdot \left(\tan k \cdot \sin k\right)}\\

\mathbf{else}:\\
\;\;\;\;\ell \cdot \left(\ell \cdot \frac{\frac{2}{{t_1}^{3}}}{t_2}\right)\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if t < -8.5e43

    1. Initial program 58.4%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/l/58.4%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \]
      2. associate-*l/58.4%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{{t}^{3} \cdot \sin k}{\ell \cdot \ell}} \cdot \tan k} \]
      3. associate-*l/59.8%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}{\ell \cdot \ell}}} \]
      4. associate-/r/59.6%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k} \cdot \left(\ell \cdot \ell\right)} \]
      5. *-commutative59.6%

        \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}} \]
      6. associate-/l/59.6%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \color{blue}{\frac{2}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)}} \]
      7. associate-*r*59.6%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left({t}^{3} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      8. *-commutative59.6%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\left({t}^{3} \cdot \sin k\right) \cdot \color{blue}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \tan k\right)}} \]
      9. associate-*r*59.6%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right) \cdot \tan k}} \]
      10. *-commutative59.6%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\tan k \cdot \left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
    3. Simplified59.6%

      \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}} \]
    4. Step-by-step derivation
      1. add-cube-cbrt59.5%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left(\sqrt[3]{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)} \cdot \sqrt[3]{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}\right) \cdot \sqrt[3]{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}}} \]
      2. pow359.5%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{{\left(\sqrt[3]{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}\right)}^{3}}} \]
    5. Applied egg-rr80.8%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{{\left(\sqrt[3]{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}}} \]

    if -8.5e43 < t < 8.50000000000000008e-72

    1. Initial program 45.4%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. *-commutative45.4%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
      2. associate-*l*44.7%

        \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)\right)}} \]
      3. associate-*r*44.6%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
      4. +-commutative44.6%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      5. associate-+r+44.6%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(\left(1 + 1\right) + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      6. metadata-eval44.6%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{2} + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    3. Simplified44.6%

      \[\leadsto \color{blue}{\frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    4. Step-by-step derivation
      1. add-cube-cbrt44.6%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \color{blue}{\left(\left(\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}}\right)}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. pow344.6%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \color{blue}{{\left(\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}}\right)}^{3}}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      3. div-inv43.8%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(\sqrt[3]{\color{blue}{{t}^{3} \cdot \frac{1}{\ell \cdot \ell}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      4. cbrt-prod43.7%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\color{blue}{\left(\sqrt[3]{{t}^{3}} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)}}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      5. unpow343.7%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(\sqrt[3]{\color{blue}{\left(t \cdot t\right) \cdot t}} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      6. add-cbrt-cube51.0%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(\color{blue}{t} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      7. pow251.0%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(t \cdot \sqrt[3]{\frac{1}{\color{blue}{{\ell}^{2}}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      8. pow-flip51.0%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(t \cdot \sqrt[3]{\color{blue}{{\ell}^{\left(-2\right)}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      9. metadata-eval51.0%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(t \cdot \sqrt[3]{{\ell}^{\color{blue}{-2}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    5. Applied egg-rr51.0%

      \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \color{blue}{{\left(t \cdot \sqrt[3]{{\ell}^{-2}}\right)}^{3}}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    6. Taylor expanded in k around inf 71.6%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot t}{{\ell}^{2}}} \cdot \left(\sin k \cdot \tan k\right)} \]
    7. Step-by-step derivation
      1. *-commutative71.6%

        \[\leadsto \frac{2}{\frac{\color{blue}{t \cdot {k}^{2}}}{{\ell}^{2}} \cdot \left(\sin k \cdot \tan k\right)} \]
      2. unpow271.6%

        \[\leadsto \frac{2}{\frac{t \cdot {k}^{2}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)} \]
      3. times-frac81.4%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{t}{\ell} \cdot \frac{{k}^{2}}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]
      4. unpow281.4%

        \[\leadsto \frac{2}{\left(\frac{t}{\ell} \cdot \frac{\color{blue}{k \cdot k}}{\ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    8. Simplified81.4%

      \[\leadsto \frac{2}{\color{blue}{\left(\frac{t}{\ell} \cdot \frac{k \cdot k}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]
    9. Taylor expanded in t around 0 71.6%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot t}{{\ell}^{2}}} \cdot \left(\sin k \cdot \tan k\right)} \]
    10. Step-by-step derivation
      1. *-commutative71.6%

        \[\leadsto \frac{2}{\frac{\color{blue}{t \cdot {k}^{2}}}{{\ell}^{2}} \cdot \left(\sin k \cdot \tan k\right)} \]
      2. unpow271.6%

        \[\leadsto \frac{2}{\frac{t \cdot {k}^{2}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)} \]
      3. unpow271.6%

        \[\leadsto \frac{2}{\frac{t \cdot \color{blue}{\left(k \cdot k\right)}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)} \]
      4. associate-*r*75.2%

        \[\leadsto \frac{2}{\frac{\color{blue}{\left(t \cdot k\right) \cdot k}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)} \]
      5. times-frac94.2%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]
    11. Simplified94.2%

      \[\leadsto \frac{2}{\color{blue}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]

    if 8.50000000000000008e-72 < t

    1. Initial program 76.5%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/l/76.5%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \]
      2. associate-*l/77.7%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{{t}^{3} \cdot \sin k}{\ell \cdot \ell}} \cdot \tan k} \]
      3. associate-*l/74.1%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}{\ell \cdot \ell}}} \]
      4. associate-/r/73.0%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k} \cdot \left(\ell \cdot \ell\right)} \]
      5. *-commutative73.0%

        \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}} \]
      6. associate-/l/73.0%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \color{blue}{\frac{2}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)}} \]
      7. associate-*r*73.0%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left({t}^{3} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      8. *-commutative73.0%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\left({t}^{3} \cdot \sin k\right) \cdot \color{blue}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \tan k\right)}} \]
      9. associate-*r*73.0%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right) \cdot \tan k}} \]
      10. *-commutative73.0%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\tan k \cdot \left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
    3. Simplified73.0%

      \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}} \]
    4. Step-by-step derivation
      1. add-cube-cbrt72.8%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{\left(\left(\sqrt[3]{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)} \cdot \sqrt[3]{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)}\right) \cdot \sqrt[3]{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)}\right)}} \]
      2. pow372.8%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{{\left(\sqrt[3]{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)}\right)}^{3}}} \]
      3. cbrt-prod72.8%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot {\color{blue}{\left(\sqrt[3]{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \sqrt[3]{{t}^{3} \cdot \sin k}\right)}}^{3}} \]
      4. cbrt-prod72.9%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot {\left(\sqrt[3]{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \color{blue}{\left(\sqrt[3]{{t}^{3}} \cdot \sqrt[3]{\sin k}\right)}\right)}^{3}} \]
      5. unpow372.9%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot {\left(\sqrt[3]{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \left(\sqrt[3]{\color{blue}{\left(t \cdot t\right) \cdot t}} \cdot \sqrt[3]{\sin k}\right)\right)}^{3}} \]
      6. add-cbrt-cube77.7%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot {\left(\sqrt[3]{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \left(\color{blue}{t} \cdot \sqrt[3]{\sin k}\right)\right)}^{3}} \]
    5. Applied egg-rr77.7%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{{\left(\sqrt[3]{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}}} \]
    6. Step-by-step derivation
      1. pow177.7%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{{\left(\tan k \cdot {\left(\sqrt[3]{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}\right)}^{1}}} \]
      2. *-commutative77.7%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{{\left(\tan k \cdot {\color{blue}{\left(\left(t \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{2 + {\left(\frac{k}{t}\right)}^{2}}\right)}}^{3}\right)}^{1}} \]
    7. Applied egg-rr77.7%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{{\left(\tan k \cdot {\left(\left(t \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{2 + {\left(\frac{k}{t}\right)}^{2}}\right)}^{3}\right)}^{1}}} \]
    8. Step-by-step derivation
      1. unpow177.7%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\tan k \cdot {\left(\left(t \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{2 + {\left(\frac{k}{t}\right)}^{2}}\right)}^{3}}} \]
      2. *-commutative77.7%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{{\left(\left(t \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{2 + {\left(\frac{k}{t}\right)}^{2}}\right)}^{3} \cdot \tan k}} \]
      3. cube-prod77.7%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left({\left(t \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot {\left(\sqrt[3]{2 + {\left(\frac{k}{t}\right)}^{2}}\right)}^{3}\right)} \cdot \tan k} \]
      4. rem-cube-cbrt77.7%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\left({\left(t \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \color{blue}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right)}\right) \cdot \tan k} \]
      5. associate-*l*77.7%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{{\left(t \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \tan k\right)}} \]
    9. Simplified77.7%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{{\left(t \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \tan k\right)}} \]
    10. Step-by-step derivation
      1. expm1-log1p-u77.3%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(\left(\ell \cdot \ell\right) \cdot \frac{2}{{\left(t \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \tan k\right)}\right)\right)} \]
      2. expm1-udef72.6%

        \[\leadsto \color{blue}{e^{\mathsf{log1p}\left(\left(\ell \cdot \ell\right) \cdot \frac{2}{{\left(t \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \tan k\right)}\right)} - 1} \]
      3. associate-*l*74.3%

        \[\leadsto e^{\mathsf{log1p}\left(\color{blue}{\ell \cdot \left(\ell \cdot \frac{2}{{\left(t \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \tan k\right)}\right)}\right)} - 1 \]
      4. *-commutative74.3%

        \[\leadsto e^{\mathsf{log1p}\left(\ell \cdot \left(\ell \cdot \frac{2}{{\left(t \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \color{blue}{\left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}}\right)\right)} - 1 \]
    11. Applied egg-rr74.3%

      \[\leadsto \color{blue}{e^{\mathsf{log1p}\left(\ell \cdot \left(\ell \cdot \frac{2}{{\left(t \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)\right)} - 1} \]
    12. Step-by-step derivation
      1. expm1-def80.1%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(\ell \cdot \left(\ell \cdot \frac{2}{{\left(t \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)\right)\right)} \]
      2. expm1-log1p81.6%

        \[\leadsto \color{blue}{\ell \cdot \left(\ell \cdot \frac{2}{{\left(t \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \left(\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)} \]
      3. associate-/r*81.6%

        \[\leadsto \ell \cdot \left(\ell \cdot \color{blue}{\frac{\frac{2}{{\left(t \cdot \sqrt[3]{\sin k}\right)}^{3}}}{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)}}\right) \]
    13. Simplified81.6%

      \[\leadsto \color{blue}{\ell \cdot \left(\ell \cdot \frac{\frac{2}{{\left(t \cdot \sqrt[3]{\sin k}\right)}^{3}}}{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)}\right)} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification87.4%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -8.5 \cdot 10^{+43}:\\ \;\;\;\;\frac{2}{{\left(\sqrt[3]{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}} \cdot \left(\ell \cdot \ell\right)\\ \mathbf{elif}\;t \leq 8.5 \cdot 10^{-72}:\\ \;\;\;\;\frac{2}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right) \cdot \left(\tan k \cdot \sin k\right)}\\ \mathbf{else}:\\ \;\;\;\;\ell \cdot \left(\ell \cdot \frac{\frac{2}{{\left(t \cdot \sqrt[3]{\sin k}\right)}^{3}}}{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)}\right)\\ \end{array} \]

Alternative 7: 80.1% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;t \leq -1.08 \cdot 10^{+45}:\\ \;\;\;\;\left(\ell \cdot \ell\right) \cdot \frac{2}{{\left(\left(t \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{2 \cdot k}\right)}^{3}}\\ \mathbf{elif}\;t \leq 8 \cdot 10^{-49}:\\ \;\;\;\;\frac{2}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right) \cdot \left(\tan k \cdot \sin k\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\frac{k \cdot {t}^{3}}{\ell \cdot \ell} \cdot \left(2 \cdot k\right)}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (<= t -1.08e+45)
   (* (* l l) (/ 2.0 (pow (* (* t (cbrt (sin k))) (cbrt (* 2.0 k))) 3.0)))
   (if (<= t 8e-49)
     (/ 2.0 (* (* (/ (* t k) l) (/ k l)) (* (tan k) (sin k))))
     (/ 2.0 (* (/ (* k (pow t 3.0)) (* l l)) (* 2.0 k))))))
double code(double t, double l, double k) {
	double tmp;
	if (t <= -1.08e+45) {
		tmp = (l * l) * (2.0 / pow(((t * cbrt(sin(k))) * cbrt((2.0 * k))), 3.0));
	} else if (t <= 8e-49) {
		tmp = 2.0 / ((((t * k) / l) * (k / l)) * (tan(k) * sin(k)));
	} else {
		tmp = 2.0 / (((k * pow(t, 3.0)) / (l * l)) * (2.0 * k));
	}
	return tmp;
}
public static double code(double t, double l, double k) {
	double tmp;
	if (t <= -1.08e+45) {
		tmp = (l * l) * (2.0 / Math.pow(((t * Math.cbrt(Math.sin(k))) * Math.cbrt((2.0 * k))), 3.0));
	} else if (t <= 8e-49) {
		tmp = 2.0 / ((((t * k) / l) * (k / l)) * (Math.tan(k) * Math.sin(k)));
	} else {
		tmp = 2.0 / (((k * Math.pow(t, 3.0)) / (l * l)) * (2.0 * k));
	}
	return tmp;
}
function code(t, l, k)
	tmp = 0.0
	if (t <= -1.08e+45)
		tmp = Float64(Float64(l * l) * Float64(2.0 / (Float64(Float64(t * cbrt(sin(k))) * cbrt(Float64(2.0 * k))) ^ 3.0)));
	elseif (t <= 8e-49)
		tmp = Float64(2.0 / Float64(Float64(Float64(Float64(t * k) / l) * Float64(k / l)) * Float64(tan(k) * sin(k))));
	else
		tmp = Float64(2.0 / Float64(Float64(Float64(k * (t ^ 3.0)) / Float64(l * l)) * Float64(2.0 * k)));
	end
	return tmp
end
code[t_, l_, k_] := If[LessEqual[t, -1.08e+45], N[(N[(l * l), $MachinePrecision] * N[(2.0 / N[Power[N[(N[(t * N[Power[N[Sin[k], $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision] * N[Power[N[(2.0 * k), $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 8e-49], N[(2.0 / N[(N[(N[(N[(t * k), $MachinePrecision] / l), $MachinePrecision] * N[(k / l), $MachinePrecision]), $MachinePrecision] * N[(N[Tan[k], $MachinePrecision] * N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 / N[(N[(N[(k * N[Power[t, 3.0], $MachinePrecision]), $MachinePrecision] / N[(l * l), $MachinePrecision]), $MachinePrecision] * N[(2.0 * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;t \leq -1.08 \cdot 10^{+45}:\\
\;\;\;\;\left(\ell \cdot \ell\right) \cdot \frac{2}{{\left(\left(t \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{2 \cdot k}\right)}^{3}}\\

\mathbf{elif}\;t \leq 8 \cdot 10^{-49}:\\
\;\;\;\;\frac{2}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right) \cdot \left(\tan k \cdot \sin k\right)}\\

\mathbf{else}:\\
\;\;\;\;\frac{2}{\frac{k \cdot {t}^{3}}{\ell \cdot \ell} \cdot \left(2 \cdot k\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if t < -1.08e45

    1. Initial program 58.4%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/l/58.4%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \]
      2. associate-*l/58.4%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{{t}^{3} \cdot \sin k}{\ell \cdot \ell}} \cdot \tan k} \]
      3. associate-*l/59.8%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}{\ell \cdot \ell}}} \]
      4. associate-/r/59.6%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k} \cdot \left(\ell \cdot \ell\right)} \]
      5. *-commutative59.6%

        \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}} \]
      6. associate-/l/59.6%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \color{blue}{\frac{2}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)}} \]
      7. associate-*r*59.6%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left({t}^{3} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      8. *-commutative59.6%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\left({t}^{3} \cdot \sin k\right) \cdot \color{blue}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \tan k\right)}} \]
      9. associate-*r*59.6%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right) \cdot \tan k}} \]
      10. *-commutative59.6%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\tan k \cdot \left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
    3. Simplified59.6%

      \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}} \]
    4. Step-by-step derivation
      1. add-cube-cbrt59.5%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left(\sqrt[3]{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)} \cdot \sqrt[3]{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}\right) \cdot \sqrt[3]{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}}} \]
      2. pow359.5%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{{\left(\sqrt[3]{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}\right)}^{3}}} \]
    5. Applied egg-rr80.8%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{{\left(\sqrt[3]{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}}} \]
    6. Taylor expanded in k around 0 75.7%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{{\left(\sqrt[3]{\color{blue}{2 \cdot k}} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}} \]
    7. Step-by-step derivation
      1. *-commutative75.7%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{{\left(\sqrt[3]{\color{blue}{k \cdot 2}} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}} \]
    8. Simplified75.7%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{{\left(\sqrt[3]{\color{blue}{k \cdot 2}} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}} \]

    if -1.08e45 < t < 7.99999999999999949e-49

    1. Initial program 46.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. *-commutative46.0%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
      2. associate-*l*45.3%

        \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)\right)}} \]
      3. associate-*r*45.2%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
      4. +-commutative45.2%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      5. associate-+r+45.2%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(\left(1 + 1\right) + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      6. metadata-eval45.2%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{2} + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    3. Simplified45.2%

      \[\leadsto \color{blue}{\frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    4. Step-by-step derivation
      1. add-cube-cbrt45.2%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \color{blue}{\left(\left(\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}}\right)}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. pow345.2%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \color{blue}{{\left(\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}}\right)}^{3}}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      3. div-inv44.4%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(\sqrt[3]{\color{blue}{{t}^{3} \cdot \frac{1}{\ell \cdot \ell}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      4. cbrt-prod44.4%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\color{blue}{\left(\sqrt[3]{{t}^{3}} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)}}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      5. unpow344.4%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(\sqrt[3]{\color{blue}{\left(t \cdot t\right) \cdot t}} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      6. add-cbrt-cube51.4%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(\color{blue}{t} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      7. pow251.4%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(t \cdot \sqrt[3]{\frac{1}{\color{blue}{{\ell}^{2}}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      8. pow-flip51.5%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(t \cdot \sqrt[3]{\color{blue}{{\ell}^{\left(-2\right)}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      9. metadata-eval51.5%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(t \cdot \sqrt[3]{{\ell}^{\color{blue}{-2}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    5. Applied egg-rr51.5%

      \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \color{blue}{{\left(t \cdot \sqrt[3]{{\ell}^{-2}}\right)}^{3}}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    6. Taylor expanded in k around inf 71.6%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot t}{{\ell}^{2}}} \cdot \left(\sin k \cdot \tan k\right)} \]
    7. Step-by-step derivation
      1. *-commutative71.6%

        \[\leadsto \frac{2}{\frac{\color{blue}{t \cdot {k}^{2}}}{{\ell}^{2}} \cdot \left(\sin k \cdot \tan k\right)} \]
      2. unpow271.6%

        \[\leadsto \frac{2}{\frac{t \cdot {k}^{2}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)} \]
      3. times-frac81.8%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{t}{\ell} \cdot \frac{{k}^{2}}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]
      4. unpow281.8%

        \[\leadsto \frac{2}{\left(\frac{t}{\ell} \cdot \frac{\color{blue}{k \cdot k}}{\ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    8. Simplified81.8%

      \[\leadsto \frac{2}{\color{blue}{\left(\frac{t}{\ell} \cdot \frac{k \cdot k}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]
    9. Taylor expanded in t around 0 71.6%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot t}{{\ell}^{2}}} \cdot \left(\sin k \cdot \tan k\right)} \]
    10. Step-by-step derivation
      1. *-commutative71.6%

        \[\leadsto \frac{2}{\frac{\color{blue}{t \cdot {k}^{2}}}{{\ell}^{2}} \cdot \left(\sin k \cdot \tan k\right)} \]
      2. unpow271.6%

        \[\leadsto \frac{2}{\frac{t \cdot {k}^{2}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)} \]
      3. unpow271.6%

        \[\leadsto \frac{2}{\frac{t \cdot \color{blue}{\left(k \cdot k\right)}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)} \]
      4. associate-*r*75.1%

        \[\leadsto \frac{2}{\frac{\color{blue}{\left(t \cdot k\right) \cdot k}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)} \]
      5. times-frac94.3%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]
    11. Simplified94.3%

      \[\leadsto \frac{2}{\color{blue}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]

    if 7.99999999999999949e-49 < t

    1. Initial program 76.8%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-*l*76.8%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      2. +-commutative76.8%

        \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \color{blue}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)} \]
    3. Simplified76.8%

      \[\leadsto \color{blue}{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)}} \]
    4. Taylor expanded in k around 0 70.5%

      \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \color{blue}{\left(2 \cdot k\right)}} \]
    5. Taylor expanded in k around 0 75.7%

      \[\leadsto \frac{2}{\color{blue}{\frac{k \cdot {t}^{3}}{{\ell}^{2}}} \cdot \left(2 \cdot k\right)} \]
    6. Step-by-step derivation
      1. unpow275.7%

        \[\leadsto \frac{2}{\frac{k \cdot {t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \left(2 \cdot k\right)} \]
    7. Simplified75.7%

      \[\leadsto \frac{2}{\color{blue}{\frac{k \cdot {t}^{3}}{\ell \cdot \ell}} \cdot \left(2 \cdot k\right)} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification84.8%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -1.08 \cdot 10^{+45}:\\ \;\;\;\;\left(\ell \cdot \ell\right) \cdot \frac{2}{{\left(\left(t \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{2 \cdot k}\right)}^{3}}\\ \mathbf{elif}\;t \leq 8 \cdot 10^{-49}:\\ \;\;\;\;\frac{2}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right) \cdot \left(\tan k \cdot \sin k\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\frac{k \cdot {t}^{3}}{\ell \cdot \ell} \cdot \left(2 \cdot k\right)}\\ \end{array} \]

Alternative 8: 79.0% accurate, 1.0× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;t \leq -7.5 \cdot 10^{+45}:\\ \;\;\;\;\frac{2}{\left(2 \cdot k\right) \cdot \left(\sin k \cdot {\left(t \cdot \sqrt[3]{{\ell}^{-2}}\right)}^{3}\right)}\\ \mathbf{elif}\;t \leq 8 \cdot 10^{-49}:\\ \;\;\;\;\frac{2}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right) \cdot \left(\tan k \cdot \sin k\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\frac{k \cdot {t}^{3}}{\ell \cdot \ell} \cdot \left(2 \cdot k\right)}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (<= t -7.5e+45)
   (/ 2.0 (* (* 2.0 k) (* (sin k) (pow (* t (cbrt (pow l -2.0))) 3.0))))
   (if (<= t 8e-49)
     (/ 2.0 (* (* (/ (* t k) l) (/ k l)) (* (tan k) (sin k))))
     (/ 2.0 (* (/ (* k (pow t 3.0)) (* l l)) (* 2.0 k))))))
double code(double t, double l, double k) {
	double tmp;
	if (t <= -7.5e+45) {
		tmp = 2.0 / ((2.0 * k) * (sin(k) * pow((t * cbrt(pow(l, -2.0))), 3.0)));
	} else if (t <= 8e-49) {
		tmp = 2.0 / ((((t * k) / l) * (k / l)) * (tan(k) * sin(k)));
	} else {
		tmp = 2.0 / (((k * pow(t, 3.0)) / (l * l)) * (2.0 * k));
	}
	return tmp;
}
public static double code(double t, double l, double k) {
	double tmp;
	if (t <= -7.5e+45) {
		tmp = 2.0 / ((2.0 * k) * (Math.sin(k) * Math.pow((t * Math.cbrt(Math.pow(l, -2.0))), 3.0)));
	} else if (t <= 8e-49) {
		tmp = 2.0 / ((((t * k) / l) * (k / l)) * (Math.tan(k) * Math.sin(k)));
	} else {
		tmp = 2.0 / (((k * Math.pow(t, 3.0)) / (l * l)) * (2.0 * k));
	}
	return tmp;
}
function code(t, l, k)
	tmp = 0.0
	if (t <= -7.5e+45)
		tmp = Float64(2.0 / Float64(Float64(2.0 * k) * Float64(sin(k) * (Float64(t * cbrt((l ^ -2.0))) ^ 3.0))));
	elseif (t <= 8e-49)
		tmp = Float64(2.0 / Float64(Float64(Float64(Float64(t * k) / l) * Float64(k / l)) * Float64(tan(k) * sin(k))));
	else
		tmp = Float64(2.0 / Float64(Float64(Float64(k * (t ^ 3.0)) / Float64(l * l)) * Float64(2.0 * k)));
	end
	return tmp
end
code[t_, l_, k_] := If[LessEqual[t, -7.5e+45], N[(2.0 / N[(N[(2.0 * k), $MachinePrecision] * N[(N[Sin[k], $MachinePrecision] * N[Power[N[(t * N[Power[N[Power[l, -2.0], $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 8e-49], N[(2.0 / N[(N[(N[(N[(t * k), $MachinePrecision] / l), $MachinePrecision] * N[(k / l), $MachinePrecision]), $MachinePrecision] * N[(N[Tan[k], $MachinePrecision] * N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 / N[(N[(N[(k * N[Power[t, 3.0], $MachinePrecision]), $MachinePrecision] / N[(l * l), $MachinePrecision]), $MachinePrecision] * N[(2.0 * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;t \leq -7.5 \cdot 10^{+45}:\\
\;\;\;\;\frac{2}{\left(2 \cdot k\right) \cdot \left(\sin k \cdot {\left(t \cdot \sqrt[3]{{\ell}^{-2}}\right)}^{3}\right)}\\

\mathbf{elif}\;t \leq 8 \cdot 10^{-49}:\\
\;\;\;\;\frac{2}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right) \cdot \left(\tan k \cdot \sin k\right)}\\

\mathbf{else}:\\
\;\;\;\;\frac{2}{\frac{k \cdot {t}^{3}}{\ell \cdot \ell} \cdot \left(2 \cdot k\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if t < -7.50000000000000058e45

    1. Initial program 58.4%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-*l*58.4%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      2. +-commutative58.4%

        \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \color{blue}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)} \]
    3. Simplified58.4%

      \[\leadsto \color{blue}{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)}} \]
    4. Taylor expanded in k around 0 53.3%

      \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \color{blue}{\left(2 \cdot k\right)}} \]
    5. Step-by-step derivation
      1. add-cube-cbrt47.8%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \color{blue}{\left(\left(\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}}\right)}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. pow347.8%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \color{blue}{{\left(\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}}\right)}^{3}}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      3. div-inv47.8%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(\sqrt[3]{\color{blue}{{t}^{3} \cdot \frac{1}{\ell \cdot \ell}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      4. cbrt-prod47.7%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\color{blue}{\left(\sqrt[3]{{t}^{3}} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)}}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      5. unpow347.7%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(\sqrt[3]{\color{blue}{\left(t \cdot t\right) \cdot t}} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      6. add-cbrt-cube64.2%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(\color{blue}{t} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      7. pow264.2%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(t \cdot \sqrt[3]{\frac{1}{\color{blue}{{\ell}^{2}}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      8. pow-flip64.4%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(t \cdot \sqrt[3]{\color{blue}{{\ell}^{\left(-2\right)}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      9. metadata-eval64.4%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(t \cdot \sqrt[3]{{\ell}^{\color{blue}{-2}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    6. Applied egg-rr68.1%

      \[\leadsto \frac{2}{\left(\color{blue}{{\left(t \cdot \sqrt[3]{{\ell}^{-2}}\right)}^{3}} \cdot \sin k\right) \cdot \left(2 \cdot k\right)} \]

    if -7.50000000000000058e45 < t < 7.99999999999999949e-49

    1. Initial program 46.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. *-commutative46.0%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
      2. associate-*l*45.3%

        \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)\right)}} \]
      3. associate-*r*45.2%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
      4. +-commutative45.2%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      5. associate-+r+45.2%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(\left(1 + 1\right) + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      6. metadata-eval45.2%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{2} + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    3. Simplified45.2%

      \[\leadsto \color{blue}{\frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    4. Step-by-step derivation
      1. add-cube-cbrt45.2%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \color{blue}{\left(\left(\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}}\right)}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. pow345.2%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \color{blue}{{\left(\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}}\right)}^{3}}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      3. div-inv44.4%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(\sqrt[3]{\color{blue}{{t}^{3} \cdot \frac{1}{\ell \cdot \ell}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      4. cbrt-prod44.4%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\color{blue}{\left(\sqrt[3]{{t}^{3}} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)}}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      5. unpow344.4%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(\sqrt[3]{\color{blue}{\left(t \cdot t\right) \cdot t}} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      6. add-cbrt-cube51.4%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(\color{blue}{t} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      7. pow251.4%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(t \cdot \sqrt[3]{\frac{1}{\color{blue}{{\ell}^{2}}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      8. pow-flip51.5%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(t \cdot \sqrt[3]{\color{blue}{{\ell}^{\left(-2\right)}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      9. metadata-eval51.5%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(t \cdot \sqrt[3]{{\ell}^{\color{blue}{-2}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    5. Applied egg-rr51.5%

      \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \color{blue}{{\left(t \cdot \sqrt[3]{{\ell}^{-2}}\right)}^{3}}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    6. Taylor expanded in k around inf 71.6%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot t}{{\ell}^{2}}} \cdot \left(\sin k \cdot \tan k\right)} \]
    7. Step-by-step derivation
      1. *-commutative71.6%

        \[\leadsto \frac{2}{\frac{\color{blue}{t \cdot {k}^{2}}}{{\ell}^{2}} \cdot \left(\sin k \cdot \tan k\right)} \]
      2. unpow271.6%

        \[\leadsto \frac{2}{\frac{t \cdot {k}^{2}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)} \]
      3. times-frac81.8%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{t}{\ell} \cdot \frac{{k}^{2}}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]
      4. unpow281.8%

        \[\leadsto \frac{2}{\left(\frac{t}{\ell} \cdot \frac{\color{blue}{k \cdot k}}{\ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    8. Simplified81.8%

      \[\leadsto \frac{2}{\color{blue}{\left(\frac{t}{\ell} \cdot \frac{k \cdot k}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]
    9. Taylor expanded in t around 0 71.6%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot t}{{\ell}^{2}}} \cdot \left(\sin k \cdot \tan k\right)} \]
    10. Step-by-step derivation
      1. *-commutative71.6%

        \[\leadsto \frac{2}{\frac{\color{blue}{t \cdot {k}^{2}}}{{\ell}^{2}} \cdot \left(\sin k \cdot \tan k\right)} \]
      2. unpow271.6%

        \[\leadsto \frac{2}{\frac{t \cdot {k}^{2}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)} \]
      3. unpow271.6%

        \[\leadsto \frac{2}{\frac{t \cdot \color{blue}{\left(k \cdot k\right)}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)} \]
      4. associate-*r*75.1%

        \[\leadsto \frac{2}{\frac{\color{blue}{\left(t \cdot k\right) \cdot k}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)} \]
      5. times-frac94.3%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]
    11. Simplified94.3%

      \[\leadsto \frac{2}{\color{blue}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]

    if 7.99999999999999949e-49 < t

    1. Initial program 76.8%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-*l*76.8%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      2. +-commutative76.8%

        \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \color{blue}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)} \]
    3. Simplified76.8%

      \[\leadsto \color{blue}{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)}} \]
    4. Taylor expanded in k around 0 70.5%

      \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \color{blue}{\left(2 \cdot k\right)}} \]
    5. Taylor expanded in k around 0 75.7%

      \[\leadsto \frac{2}{\color{blue}{\frac{k \cdot {t}^{3}}{{\ell}^{2}}} \cdot \left(2 \cdot k\right)} \]
    6. Step-by-step derivation
      1. unpow275.7%

        \[\leadsto \frac{2}{\frac{k \cdot {t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \left(2 \cdot k\right)} \]
    7. Simplified75.7%

      \[\leadsto \frac{2}{\color{blue}{\frac{k \cdot {t}^{3}}{\ell \cdot \ell}} \cdot \left(2 \cdot k\right)} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification83.2%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -7.5 \cdot 10^{+45}:\\ \;\;\;\;\frac{2}{\left(2 \cdot k\right) \cdot \left(\sin k \cdot {\left(t \cdot \sqrt[3]{{\ell}^{-2}}\right)}^{3}\right)}\\ \mathbf{elif}\;t \leq 8 \cdot 10^{-49}:\\ \;\;\;\;\frac{2}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right) \cdot \left(\tan k \cdot \sin k\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\frac{k \cdot {t}^{3}}{\ell \cdot \ell} \cdot \left(2 \cdot k\right)}\\ \end{array} \]

Alternative 9: 79.3% accurate, 1.3× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;t \leq -2.4 \cdot 10^{+45}:\\ \;\;\;\;\left(\ell \cdot \ell\right) \cdot \frac{2}{{\left(t \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \left(2 \cdot k\right)}\\ \mathbf{elif}\;t \leq 8 \cdot 10^{-49}:\\ \;\;\;\;\frac{2}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right) \cdot \left(\tan k \cdot \sin k\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\frac{k \cdot {t}^{3}}{\ell \cdot \ell} \cdot \left(2 \cdot k\right)}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (<= t -2.4e+45)
   (* (* l l) (/ 2.0 (* (pow (* t (cbrt (sin k))) 3.0) (* 2.0 k))))
   (if (<= t 8e-49)
     (/ 2.0 (* (* (/ (* t k) l) (/ k l)) (* (tan k) (sin k))))
     (/ 2.0 (* (/ (* k (pow t 3.0)) (* l l)) (* 2.0 k))))))
double code(double t, double l, double k) {
	double tmp;
	if (t <= -2.4e+45) {
		tmp = (l * l) * (2.0 / (pow((t * cbrt(sin(k))), 3.0) * (2.0 * k)));
	} else if (t <= 8e-49) {
		tmp = 2.0 / ((((t * k) / l) * (k / l)) * (tan(k) * sin(k)));
	} else {
		tmp = 2.0 / (((k * pow(t, 3.0)) / (l * l)) * (2.0 * k));
	}
	return tmp;
}
public static double code(double t, double l, double k) {
	double tmp;
	if (t <= -2.4e+45) {
		tmp = (l * l) * (2.0 / (Math.pow((t * Math.cbrt(Math.sin(k))), 3.0) * (2.0 * k)));
	} else if (t <= 8e-49) {
		tmp = 2.0 / ((((t * k) / l) * (k / l)) * (Math.tan(k) * Math.sin(k)));
	} else {
		tmp = 2.0 / (((k * Math.pow(t, 3.0)) / (l * l)) * (2.0 * k));
	}
	return tmp;
}
function code(t, l, k)
	tmp = 0.0
	if (t <= -2.4e+45)
		tmp = Float64(Float64(l * l) * Float64(2.0 / Float64((Float64(t * cbrt(sin(k))) ^ 3.0) * Float64(2.0 * k))));
	elseif (t <= 8e-49)
		tmp = Float64(2.0 / Float64(Float64(Float64(Float64(t * k) / l) * Float64(k / l)) * Float64(tan(k) * sin(k))));
	else
		tmp = Float64(2.0 / Float64(Float64(Float64(k * (t ^ 3.0)) / Float64(l * l)) * Float64(2.0 * k)));
	end
	return tmp
end
code[t_, l_, k_] := If[LessEqual[t, -2.4e+45], N[(N[(l * l), $MachinePrecision] * N[(2.0 / N[(N[Power[N[(t * N[Power[N[Sin[k], $MachinePrecision], 1/3], $MachinePrecision]), $MachinePrecision], 3.0], $MachinePrecision] * N[(2.0 * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 8e-49], N[(2.0 / N[(N[(N[(N[(t * k), $MachinePrecision] / l), $MachinePrecision] * N[(k / l), $MachinePrecision]), $MachinePrecision] * N[(N[Tan[k], $MachinePrecision] * N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 / N[(N[(N[(k * N[Power[t, 3.0], $MachinePrecision]), $MachinePrecision] / N[(l * l), $MachinePrecision]), $MachinePrecision] * N[(2.0 * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;t \leq -2.4 \cdot 10^{+45}:\\
\;\;\;\;\left(\ell \cdot \ell\right) \cdot \frac{2}{{\left(t \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \left(2 \cdot k\right)}\\

\mathbf{elif}\;t \leq 8 \cdot 10^{-49}:\\
\;\;\;\;\frac{2}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right) \cdot \left(\tan k \cdot \sin k\right)}\\

\mathbf{else}:\\
\;\;\;\;\frac{2}{\frac{k \cdot {t}^{3}}{\ell \cdot \ell} \cdot \left(2 \cdot k\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if t < -2.39999999999999989e45

    1. Initial program 58.4%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/l/58.4%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \]
      2. associate-*l/58.4%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{{t}^{3} \cdot \sin k}{\ell \cdot \ell}} \cdot \tan k} \]
      3. associate-*l/59.8%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}{\ell \cdot \ell}}} \]
      4. associate-/r/59.6%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k} \cdot \left(\ell \cdot \ell\right)} \]
      5. *-commutative59.6%

        \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}} \]
      6. associate-/l/59.6%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \color{blue}{\frac{2}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)}} \]
      7. associate-*r*59.6%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left({t}^{3} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      8. *-commutative59.6%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\left({t}^{3} \cdot \sin k\right) \cdot \color{blue}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \tan k\right)}} \]
      9. associate-*r*59.6%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right) \cdot \tan k}} \]
      10. *-commutative59.6%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\tan k \cdot \left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
    3. Simplified59.6%

      \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}} \]
    4. Step-by-step derivation
      1. add-cube-cbrt59.5%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{\left(\left(\sqrt[3]{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)} \cdot \sqrt[3]{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)}\right) \cdot \sqrt[3]{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)}\right)}} \]
      2. pow359.5%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{{\left(\sqrt[3]{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)}\right)}^{3}}} \]
      3. cbrt-prod59.4%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot {\color{blue}{\left(\sqrt[3]{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \sqrt[3]{{t}^{3} \cdot \sin k}\right)}}^{3}} \]
      4. cbrt-prod59.5%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot {\left(\sqrt[3]{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \color{blue}{\left(\sqrt[3]{{t}^{3}} \cdot \sqrt[3]{\sin k}\right)}\right)}^{3}} \]
      5. unpow359.5%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot {\left(\sqrt[3]{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \left(\sqrt[3]{\color{blue}{\left(t \cdot t\right) \cdot t}} \cdot \sqrt[3]{\sin k}\right)\right)}^{3}} \]
      6. add-cbrt-cube72.1%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot {\left(\sqrt[3]{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \left(\color{blue}{t} \cdot \sqrt[3]{\sin k}\right)\right)}^{3}} \]
    5. Applied egg-rr72.1%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{{\left(\sqrt[3]{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}}} \]
    6. Step-by-step derivation
      1. pow172.1%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{{\left(\tan k \cdot {\left(\sqrt[3]{2 + {\left(\frac{k}{t}\right)}^{2}} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}\right)}^{1}}} \]
      2. *-commutative72.1%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{{\left(\tan k \cdot {\color{blue}{\left(\left(t \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{2 + {\left(\frac{k}{t}\right)}^{2}}\right)}}^{3}\right)}^{1}} \]
    7. Applied egg-rr72.1%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{{\left(\tan k \cdot {\left(\left(t \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{2 + {\left(\frac{k}{t}\right)}^{2}}\right)}^{3}\right)}^{1}}} \]
    8. Step-by-step derivation
      1. unpow172.1%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\tan k \cdot {\left(\left(t \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{2 + {\left(\frac{k}{t}\right)}^{2}}\right)}^{3}}} \]
      2. *-commutative72.1%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{{\left(\left(t \cdot \sqrt[3]{\sin k}\right) \cdot \sqrt[3]{2 + {\left(\frac{k}{t}\right)}^{2}}\right)}^{3} \cdot \tan k}} \]
      3. cube-prod72.1%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left({\left(t \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot {\left(\sqrt[3]{2 + {\left(\frac{k}{t}\right)}^{2}}\right)}^{3}\right)} \cdot \tan k} \]
      4. rem-cube-cbrt72.0%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\left({\left(t \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \color{blue}{\left(2 + {\left(\frac{k}{t}\right)}^{2}\right)}\right) \cdot \tan k} \]
      5. associate-*l*72.0%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{{\left(t \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \tan k\right)}} \]
    9. Simplified72.0%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{{\left(t \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \tan k\right)}} \]
    10. Taylor expanded in k around 0 67.0%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{{\left(t \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \color{blue}{\left(2 \cdot k\right)}} \]
    11. Step-by-step derivation
      1. *-commutative67.0%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{{\left(t \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \color{blue}{\left(k \cdot 2\right)}} \]
    12. Simplified67.0%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{{\left(t \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \color{blue}{\left(k \cdot 2\right)}} \]

    if -2.39999999999999989e45 < t < 7.99999999999999949e-49

    1. Initial program 46.0%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. *-commutative46.0%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
      2. associate-*l*45.3%

        \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)\right)}} \]
      3. associate-*r*45.2%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
      4. +-commutative45.2%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      5. associate-+r+45.2%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(\left(1 + 1\right) + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      6. metadata-eval45.2%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{2} + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    3. Simplified45.2%

      \[\leadsto \color{blue}{\frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    4. Step-by-step derivation
      1. add-cube-cbrt45.2%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \color{blue}{\left(\left(\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}}\right)}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. pow345.2%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \color{blue}{{\left(\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}}\right)}^{3}}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      3. div-inv44.4%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(\sqrt[3]{\color{blue}{{t}^{3} \cdot \frac{1}{\ell \cdot \ell}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      4. cbrt-prod44.4%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\color{blue}{\left(\sqrt[3]{{t}^{3}} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)}}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      5. unpow344.4%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(\sqrt[3]{\color{blue}{\left(t \cdot t\right) \cdot t}} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      6. add-cbrt-cube51.4%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(\color{blue}{t} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      7. pow251.4%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(t \cdot \sqrt[3]{\frac{1}{\color{blue}{{\ell}^{2}}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      8. pow-flip51.5%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(t \cdot \sqrt[3]{\color{blue}{{\ell}^{\left(-2\right)}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      9. metadata-eval51.5%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(t \cdot \sqrt[3]{{\ell}^{\color{blue}{-2}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    5. Applied egg-rr51.5%

      \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \color{blue}{{\left(t \cdot \sqrt[3]{{\ell}^{-2}}\right)}^{3}}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    6. Taylor expanded in k around inf 71.6%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot t}{{\ell}^{2}}} \cdot \left(\sin k \cdot \tan k\right)} \]
    7. Step-by-step derivation
      1. *-commutative71.6%

        \[\leadsto \frac{2}{\frac{\color{blue}{t \cdot {k}^{2}}}{{\ell}^{2}} \cdot \left(\sin k \cdot \tan k\right)} \]
      2. unpow271.6%

        \[\leadsto \frac{2}{\frac{t \cdot {k}^{2}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)} \]
      3. times-frac81.8%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{t}{\ell} \cdot \frac{{k}^{2}}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]
      4. unpow281.8%

        \[\leadsto \frac{2}{\left(\frac{t}{\ell} \cdot \frac{\color{blue}{k \cdot k}}{\ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    8. Simplified81.8%

      \[\leadsto \frac{2}{\color{blue}{\left(\frac{t}{\ell} \cdot \frac{k \cdot k}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]
    9. Taylor expanded in t around 0 71.6%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot t}{{\ell}^{2}}} \cdot \left(\sin k \cdot \tan k\right)} \]
    10. Step-by-step derivation
      1. *-commutative71.6%

        \[\leadsto \frac{2}{\frac{\color{blue}{t \cdot {k}^{2}}}{{\ell}^{2}} \cdot \left(\sin k \cdot \tan k\right)} \]
      2. unpow271.6%

        \[\leadsto \frac{2}{\frac{t \cdot {k}^{2}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)} \]
      3. unpow271.6%

        \[\leadsto \frac{2}{\frac{t \cdot \color{blue}{\left(k \cdot k\right)}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)} \]
      4. associate-*r*75.1%

        \[\leadsto \frac{2}{\frac{\color{blue}{\left(t \cdot k\right) \cdot k}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)} \]
      5. times-frac94.3%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]
    11. Simplified94.3%

      \[\leadsto \frac{2}{\color{blue}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]

    if 7.99999999999999949e-49 < t

    1. Initial program 76.8%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-*l*76.8%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      2. +-commutative76.8%

        \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \color{blue}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)} \]
    3. Simplified76.8%

      \[\leadsto \color{blue}{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)}} \]
    4. Taylor expanded in k around 0 70.5%

      \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \color{blue}{\left(2 \cdot k\right)}} \]
    5. Taylor expanded in k around 0 75.7%

      \[\leadsto \frac{2}{\color{blue}{\frac{k \cdot {t}^{3}}{{\ell}^{2}}} \cdot \left(2 \cdot k\right)} \]
    6. Step-by-step derivation
      1. unpow275.7%

        \[\leadsto \frac{2}{\frac{k \cdot {t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \left(2 \cdot k\right)} \]
    7. Simplified75.7%

      \[\leadsto \frac{2}{\color{blue}{\frac{k \cdot {t}^{3}}{\ell \cdot \ell}} \cdot \left(2 \cdot k\right)} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification82.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -2.4 \cdot 10^{+45}:\\ \;\;\;\;\left(\ell \cdot \ell\right) \cdot \frac{2}{{\left(t \cdot \sqrt[3]{\sin k}\right)}^{3} \cdot \left(2 \cdot k\right)}\\ \mathbf{elif}\;t \leq 8 \cdot 10^{-49}:\\ \;\;\;\;\frac{2}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right) \cdot \left(\tan k \cdot \sin k\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\frac{k \cdot {t}^{3}}{\ell \cdot \ell} \cdot \left(2 \cdot k\right)}\\ \end{array} \]

Alternative 10: 77.6% accurate, 1.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := k \cdot {t}^{3}\\ \mathbf{if}\;t \leq -6 \cdot 10^{+167}:\\ \;\;\;\;\ell \cdot \frac{\ell}{k \cdot t_1}\\ \mathbf{elif}\;t \leq 8 \cdot 10^{-49}:\\ \;\;\;\;\frac{2}{\sin k \cdot \left(\tan k \cdot \frac{\frac{k}{\ell} \cdot \left(t \cdot k\right)}{\ell}\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\frac{t_1}{\ell \cdot \ell} \cdot \left(2 \cdot k\right)}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (* k (pow t 3.0))))
   (if (<= t -6e+167)
     (* l (/ l (* k t_1)))
     (if (<= t 8e-49)
       (/ 2.0 (* (sin k) (* (tan k) (/ (* (/ k l) (* t k)) l))))
       (/ 2.0 (* (/ t_1 (* l l)) (* 2.0 k)))))))
double code(double t, double l, double k) {
	double t_1 = k * pow(t, 3.0);
	double tmp;
	if (t <= -6e+167) {
		tmp = l * (l / (k * t_1));
	} else if (t <= 8e-49) {
		tmp = 2.0 / (sin(k) * (tan(k) * (((k / l) * (t * k)) / l)));
	} else {
		tmp = 2.0 / ((t_1 / (l * l)) * (2.0 * k));
	}
	return tmp;
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    real(8) :: t_1
    real(8) :: tmp
    t_1 = k * (t ** 3.0d0)
    if (t <= (-6d+167)) then
        tmp = l * (l / (k * t_1))
    else if (t <= 8d-49) then
        tmp = 2.0d0 / (sin(k) * (tan(k) * (((k / l) * (t * k)) / l)))
    else
        tmp = 2.0d0 / ((t_1 / (l * l)) * (2.0d0 * k))
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double t_1 = k * Math.pow(t, 3.0);
	double tmp;
	if (t <= -6e+167) {
		tmp = l * (l / (k * t_1));
	} else if (t <= 8e-49) {
		tmp = 2.0 / (Math.sin(k) * (Math.tan(k) * (((k / l) * (t * k)) / l)));
	} else {
		tmp = 2.0 / ((t_1 / (l * l)) * (2.0 * k));
	}
	return tmp;
}
def code(t, l, k):
	t_1 = k * math.pow(t, 3.0)
	tmp = 0
	if t <= -6e+167:
		tmp = l * (l / (k * t_1))
	elif t <= 8e-49:
		tmp = 2.0 / (math.sin(k) * (math.tan(k) * (((k / l) * (t * k)) / l)))
	else:
		tmp = 2.0 / ((t_1 / (l * l)) * (2.0 * k))
	return tmp
function code(t, l, k)
	t_1 = Float64(k * (t ^ 3.0))
	tmp = 0.0
	if (t <= -6e+167)
		tmp = Float64(l * Float64(l / Float64(k * t_1)));
	elseif (t <= 8e-49)
		tmp = Float64(2.0 / Float64(sin(k) * Float64(tan(k) * Float64(Float64(Float64(k / l) * Float64(t * k)) / l))));
	else
		tmp = Float64(2.0 / Float64(Float64(t_1 / Float64(l * l)) * Float64(2.0 * k)));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	t_1 = k * (t ^ 3.0);
	tmp = 0.0;
	if (t <= -6e+167)
		tmp = l * (l / (k * t_1));
	elseif (t <= 8e-49)
		tmp = 2.0 / (sin(k) * (tan(k) * (((k / l) * (t * k)) / l)));
	else
		tmp = 2.0 / ((t_1 / (l * l)) * (2.0 * k));
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := Block[{t$95$1 = N[(k * N[Power[t, 3.0], $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t, -6e+167], N[(l * N[(l / N[(k * t$95$1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 8e-49], N[(2.0 / N[(N[Sin[k], $MachinePrecision] * N[(N[Tan[k], $MachinePrecision] * N[(N[(N[(k / l), $MachinePrecision] * N[(t * k), $MachinePrecision]), $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 / N[(N[(t$95$1 / N[(l * l), $MachinePrecision]), $MachinePrecision] * N[(2.0 * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := k \cdot {t}^{3}\\
\mathbf{if}\;t \leq -6 \cdot 10^{+167}:\\
\;\;\;\;\ell \cdot \frac{\ell}{k \cdot t_1}\\

\mathbf{elif}\;t \leq 8 \cdot 10^{-49}:\\
\;\;\;\;\frac{2}{\sin k \cdot \left(\tan k \cdot \frac{\frac{k}{\ell} \cdot \left(t \cdot k\right)}{\ell}\right)}\\

\mathbf{else}:\\
\;\;\;\;\frac{2}{\frac{t_1}{\ell \cdot \ell} \cdot \left(2 \cdot k\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if t < -6.00000000000000023e167

    1. Initial program 72.2%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/l/72.2%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \]
      2. associate-*l/72.2%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{{t}^{3} \cdot \sin k}{\ell \cdot \ell}} \cdot \tan k} \]
      3. associate-*l/72.2%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}{\ell \cdot \ell}}} \]
      4. associate-/r/72.2%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k} \cdot \left(\ell \cdot \ell\right)} \]
      5. *-commutative72.2%

        \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}} \]
      6. associate-/l/72.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \color{blue}{\frac{2}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)}} \]
      7. associate-*r*72.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left({t}^{3} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      8. *-commutative72.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\left({t}^{3} \cdot \sin k\right) \cdot \color{blue}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \tan k\right)}} \]
      9. associate-*r*72.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right) \cdot \tan k}} \]
      10. *-commutative72.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\tan k \cdot \left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
    3. Simplified72.2%

      \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}} \]
    4. Step-by-step derivation
      1. add-cube-cbrt72.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left(\sqrt[3]{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)} \cdot \sqrt[3]{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}\right) \cdot \sqrt[3]{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}}} \]
      2. pow372.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{{\left(\sqrt[3]{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}\right)}^{3}}} \]
    5. Applied egg-rr85.2%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{{\left(\sqrt[3]{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}}} \]
    6. Step-by-step derivation
      1. pow185.2%

        \[\leadsto \color{blue}{{\left(\left(\ell \cdot \ell\right) \cdot \frac{2}{{\left(\sqrt[3]{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}}\right)}^{1}} \]
      2. associate-*l*85.7%

        \[\leadsto {\color{blue}{\left(\ell \cdot \left(\ell \cdot \frac{2}{{\left(\sqrt[3]{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}}\right)\right)}}^{1} \]
    7. Applied egg-rr85.7%

      \[\leadsto \color{blue}{{\left(\ell \cdot \left(\ell \cdot \frac{2}{{\left(\sqrt[3]{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}}\right)\right)}^{1}} \]
    8. Taylor expanded in k around 0 53.1%

      \[\leadsto {\left(\ell \cdot \color{blue}{\frac{\ell}{{k}^{2} \cdot {t}^{3}}}\right)}^{1} \]
    9. Step-by-step derivation
      1. unpow253.1%

        \[\leadsto {\left(\ell \cdot \frac{\ell}{\color{blue}{\left(k \cdot k\right)} \cdot {t}^{3}}\right)}^{1} \]
      2. associate-*l*72.7%

        \[\leadsto {\left(\ell \cdot \frac{\ell}{\color{blue}{k \cdot \left(k \cdot {t}^{3}\right)}}\right)}^{1} \]
    10. Simplified72.7%

      \[\leadsto {\left(\ell \cdot \color{blue}{\frac{\ell}{k \cdot \left(k \cdot {t}^{3}\right)}}\right)}^{1} \]

    if -6.00000000000000023e167 < t < 7.99999999999999949e-49

    1. Initial program 46.8%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. *-commutative46.8%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
      2. associate-*l*45.2%

        \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)\right)}} \]
      3. associate-*r*45.2%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
      4. +-commutative45.2%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      5. associate-+r+45.2%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(\left(1 + 1\right) + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      6. metadata-eval45.2%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{2} + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    3. Simplified45.2%

      \[\leadsto \color{blue}{\frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    4. Step-by-step derivation
      1. add-cube-cbrt45.1%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \color{blue}{\left(\left(\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}}\right)}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. pow345.1%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \color{blue}{{\left(\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}}\right)}^{3}}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      3. div-inv44.5%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(\sqrt[3]{\color{blue}{{t}^{3} \cdot \frac{1}{\ell \cdot \ell}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      4. cbrt-prod44.4%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\color{blue}{\left(\sqrt[3]{{t}^{3}} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)}}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      5. unpow344.4%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(\sqrt[3]{\color{blue}{\left(t \cdot t\right) \cdot t}} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      6. add-cbrt-cube55.6%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(\color{blue}{t} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      7. pow255.6%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(t \cdot \sqrt[3]{\frac{1}{\color{blue}{{\ell}^{2}}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      8. pow-flip55.7%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(t \cdot \sqrt[3]{\color{blue}{{\ell}^{\left(-2\right)}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      9. metadata-eval55.7%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(t \cdot \sqrt[3]{{\ell}^{\color{blue}{-2}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    5. Applied egg-rr55.7%

      \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \color{blue}{{\left(t \cdot \sqrt[3]{{\ell}^{-2}}\right)}^{3}}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    6. Taylor expanded in k around inf 67.9%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot t}{{\ell}^{2}}} \cdot \left(\sin k \cdot \tan k\right)} \]
    7. Step-by-step derivation
      1. *-commutative67.9%

        \[\leadsto \frac{2}{\frac{\color{blue}{t \cdot {k}^{2}}}{{\ell}^{2}} \cdot \left(\sin k \cdot \tan k\right)} \]
      2. unpow267.9%

        \[\leadsto \frac{2}{\frac{t \cdot {k}^{2}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)} \]
      3. times-frac76.2%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{t}{\ell} \cdot \frac{{k}^{2}}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]
      4. unpow276.2%

        \[\leadsto \frac{2}{\left(\frac{t}{\ell} \cdot \frac{\color{blue}{k \cdot k}}{\ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    8. Simplified76.2%

      \[\leadsto \frac{2}{\color{blue}{\left(\frac{t}{\ell} \cdot \frac{k \cdot k}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]
    9. Step-by-step derivation
      1. expm1-log1p-u65.4%

        \[\leadsto \frac{2}{\color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(\left(\frac{t}{\ell} \cdot \frac{k \cdot k}{\ell}\right) \cdot \left(\sin k \cdot \tan k\right)\right)\right)}} \]
      2. expm1-udef34.1%

        \[\leadsto \frac{2}{\color{blue}{e^{\mathsf{log1p}\left(\left(\frac{t}{\ell} \cdot \frac{k \cdot k}{\ell}\right) \cdot \left(\sin k \cdot \tan k\right)\right)} - 1}} \]
      3. associate-/l*36.2%

        \[\leadsto \frac{2}{e^{\mathsf{log1p}\left(\left(\frac{t}{\ell} \cdot \color{blue}{\frac{k}{\frac{\ell}{k}}}\right) \cdot \left(\sin k \cdot \tan k\right)\right)} - 1} \]
    10. Applied egg-rr36.2%

      \[\leadsto \frac{2}{\color{blue}{e^{\mathsf{log1p}\left(\left(\frac{t}{\ell} \cdot \frac{k}{\frac{\ell}{k}}\right) \cdot \left(\sin k \cdot \tan k\right)\right)} - 1}} \]
    11. Step-by-step derivation
      1. expm1-def69.7%

        \[\leadsto \frac{2}{\color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(\left(\frac{t}{\ell} \cdot \frac{k}{\frac{\ell}{k}}\right) \cdot \left(\sin k \cdot \tan k\right)\right)\right)}} \]
      2. expm1-log1p80.7%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{t}{\ell} \cdot \frac{k}{\frac{\ell}{k}}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
      3. *-commutative80.7%

        \[\leadsto \frac{2}{\color{blue}{\left(\sin k \cdot \tan k\right) \cdot \left(\frac{t}{\ell} \cdot \frac{k}{\frac{\ell}{k}}\right)}} \]
      4. associate-*l*81.4%

        \[\leadsto \frac{2}{\color{blue}{\sin k \cdot \left(\tan k \cdot \left(\frac{t}{\ell} \cdot \frac{k}{\frac{\ell}{k}}\right)\right)}} \]
      5. associate-*l/81.9%

        \[\leadsto \frac{2}{\sin k \cdot \left(\tan k \cdot \color{blue}{\frac{t \cdot \frac{k}{\frac{\ell}{k}}}{\ell}}\right)} \]
      6. *-commutative81.9%

        \[\leadsto \frac{2}{\sin k \cdot \left(\tan k \cdot \frac{\color{blue}{\frac{k}{\frac{\ell}{k}} \cdot t}}{\ell}\right)} \]
      7. associate-/r/81.8%

        \[\leadsto \frac{2}{\sin k \cdot \left(\tan k \cdot \frac{\color{blue}{\left(\frac{k}{\ell} \cdot k\right)} \cdot t}{\ell}\right)} \]
      8. associate-*l*86.0%

        \[\leadsto \frac{2}{\sin k \cdot \left(\tan k \cdot \frac{\color{blue}{\frac{k}{\ell} \cdot \left(k \cdot t\right)}}{\ell}\right)} \]
    12. Simplified86.0%

      \[\leadsto \frac{2}{\color{blue}{\sin k \cdot \left(\tan k \cdot \frac{\frac{k}{\ell} \cdot \left(k \cdot t\right)}{\ell}\right)}} \]

    if 7.99999999999999949e-49 < t

    1. Initial program 76.8%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-*l*76.8%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      2. +-commutative76.8%

        \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \color{blue}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)} \]
    3. Simplified76.8%

      \[\leadsto \color{blue}{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)}} \]
    4. Taylor expanded in k around 0 70.5%

      \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \color{blue}{\left(2 \cdot k\right)}} \]
    5. Taylor expanded in k around 0 75.7%

      \[\leadsto \frac{2}{\color{blue}{\frac{k \cdot {t}^{3}}{{\ell}^{2}}} \cdot \left(2 \cdot k\right)} \]
    6. Step-by-step derivation
      1. unpow275.7%

        \[\leadsto \frac{2}{\frac{k \cdot {t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \left(2 \cdot k\right)} \]
    7. Simplified75.7%

      \[\leadsto \frac{2}{\color{blue}{\frac{k \cdot {t}^{3}}{\ell \cdot \ell}} \cdot \left(2 \cdot k\right)} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification81.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -6 \cdot 10^{+167}:\\ \;\;\;\;\ell \cdot \frac{\ell}{k \cdot \left(k \cdot {t}^{3}\right)}\\ \mathbf{elif}\;t \leq 8 \cdot 10^{-49}:\\ \;\;\;\;\frac{2}{\sin k \cdot \left(\tan k \cdot \frac{\frac{k}{\ell} \cdot \left(t \cdot k\right)}{\ell}\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\frac{k \cdot {t}^{3}}{\ell \cdot \ell} \cdot \left(2 \cdot k\right)}\\ \end{array} \]

Alternative 11: 78.1% accurate, 1.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := k \cdot {t}^{3}\\ \mathbf{if}\;t \leq -4.8 \cdot 10^{+167}:\\ \;\;\;\;\ell \cdot \frac{\ell}{k \cdot t_1}\\ \mathbf{elif}\;t \leq 8 \cdot 10^{-49}:\\ \;\;\;\;\frac{2}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right) \cdot \left(\tan k \cdot \sin k\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\frac{t_1}{\ell \cdot \ell} \cdot \left(2 \cdot k\right)}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (* k (pow t 3.0))))
   (if (<= t -4.8e+167)
     (* l (/ l (* k t_1)))
     (if (<= t 8e-49)
       (/ 2.0 (* (* (/ (* t k) l) (/ k l)) (* (tan k) (sin k))))
       (/ 2.0 (* (/ t_1 (* l l)) (* 2.0 k)))))))
double code(double t, double l, double k) {
	double t_1 = k * pow(t, 3.0);
	double tmp;
	if (t <= -4.8e+167) {
		tmp = l * (l / (k * t_1));
	} else if (t <= 8e-49) {
		tmp = 2.0 / ((((t * k) / l) * (k / l)) * (tan(k) * sin(k)));
	} else {
		tmp = 2.0 / ((t_1 / (l * l)) * (2.0 * k));
	}
	return tmp;
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    real(8) :: t_1
    real(8) :: tmp
    t_1 = k * (t ** 3.0d0)
    if (t <= (-4.8d+167)) then
        tmp = l * (l / (k * t_1))
    else if (t <= 8d-49) then
        tmp = 2.0d0 / ((((t * k) / l) * (k / l)) * (tan(k) * sin(k)))
    else
        tmp = 2.0d0 / ((t_1 / (l * l)) * (2.0d0 * k))
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double t_1 = k * Math.pow(t, 3.0);
	double tmp;
	if (t <= -4.8e+167) {
		tmp = l * (l / (k * t_1));
	} else if (t <= 8e-49) {
		tmp = 2.0 / ((((t * k) / l) * (k / l)) * (Math.tan(k) * Math.sin(k)));
	} else {
		tmp = 2.0 / ((t_1 / (l * l)) * (2.0 * k));
	}
	return tmp;
}
def code(t, l, k):
	t_1 = k * math.pow(t, 3.0)
	tmp = 0
	if t <= -4.8e+167:
		tmp = l * (l / (k * t_1))
	elif t <= 8e-49:
		tmp = 2.0 / ((((t * k) / l) * (k / l)) * (math.tan(k) * math.sin(k)))
	else:
		tmp = 2.0 / ((t_1 / (l * l)) * (2.0 * k))
	return tmp
function code(t, l, k)
	t_1 = Float64(k * (t ^ 3.0))
	tmp = 0.0
	if (t <= -4.8e+167)
		tmp = Float64(l * Float64(l / Float64(k * t_1)));
	elseif (t <= 8e-49)
		tmp = Float64(2.0 / Float64(Float64(Float64(Float64(t * k) / l) * Float64(k / l)) * Float64(tan(k) * sin(k))));
	else
		tmp = Float64(2.0 / Float64(Float64(t_1 / Float64(l * l)) * Float64(2.0 * k)));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	t_1 = k * (t ^ 3.0);
	tmp = 0.0;
	if (t <= -4.8e+167)
		tmp = l * (l / (k * t_1));
	elseif (t <= 8e-49)
		tmp = 2.0 / ((((t * k) / l) * (k / l)) * (tan(k) * sin(k)));
	else
		tmp = 2.0 / ((t_1 / (l * l)) * (2.0 * k));
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := Block[{t$95$1 = N[(k * N[Power[t, 3.0], $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t, -4.8e+167], N[(l * N[(l / N[(k * t$95$1), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 8e-49], N[(2.0 / N[(N[(N[(N[(t * k), $MachinePrecision] / l), $MachinePrecision] * N[(k / l), $MachinePrecision]), $MachinePrecision] * N[(N[Tan[k], $MachinePrecision] * N[Sin[k], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 / N[(N[(t$95$1 / N[(l * l), $MachinePrecision]), $MachinePrecision] * N[(2.0 * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := k \cdot {t}^{3}\\
\mathbf{if}\;t \leq -4.8 \cdot 10^{+167}:\\
\;\;\;\;\ell \cdot \frac{\ell}{k \cdot t_1}\\

\mathbf{elif}\;t \leq 8 \cdot 10^{-49}:\\
\;\;\;\;\frac{2}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right) \cdot \left(\tan k \cdot \sin k\right)}\\

\mathbf{else}:\\
\;\;\;\;\frac{2}{\frac{t_1}{\ell \cdot \ell} \cdot \left(2 \cdot k\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if t < -4.79999999999999998e167

    1. Initial program 72.2%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/l/72.2%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \]
      2. associate-*l/72.2%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{{t}^{3} \cdot \sin k}{\ell \cdot \ell}} \cdot \tan k} \]
      3. associate-*l/72.2%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}{\ell \cdot \ell}}} \]
      4. associate-/r/72.2%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k} \cdot \left(\ell \cdot \ell\right)} \]
      5. *-commutative72.2%

        \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}} \]
      6. associate-/l/72.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \color{blue}{\frac{2}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)}} \]
      7. associate-*r*72.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left({t}^{3} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      8. *-commutative72.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\left({t}^{3} \cdot \sin k\right) \cdot \color{blue}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \tan k\right)}} \]
      9. associate-*r*72.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right) \cdot \tan k}} \]
      10. *-commutative72.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\tan k \cdot \left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
    3. Simplified72.2%

      \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}} \]
    4. Step-by-step derivation
      1. add-cube-cbrt72.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left(\sqrt[3]{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)} \cdot \sqrt[3]{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}\right) \cdot \sqrt[3]{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}}} \]
      2. pow372.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{{\left(\sqrt[3]{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}\right)}^{3}}} \]
    5. Applied egg-rr85.2%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{{\left(\sqrt[3]{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}}} \]
    6. Step-by-step derivation
      1. pow185.2%

        \[\leadsto \color{blue}{{\left(\left(\ell \cdot \ell\right) \cdot \frac{2}{{\left(\sqrt[3]{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}}\right)}^{1}} \]
      2. associate-*l*85.7%

        \[\leadsto {\color{blue}{\left(\ell \cdot \left(\ell \cdot \frac{2}{{\left(\sqrt[3]{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}}\right)\right)}}^{1} \]
    7. Applied egg-rr85.7%

      \[\leadsto \color{blue}{{\left(\ell \cdot \left(\ell \cdot \frac{2}{{\left(\sqrt[3]{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}}\right)\right)}^{1}} \]
    8. Taylor expanded in k around 0 53.1%

      \[\leadsto {\left(\ell \cdot \color{blue}{\frac{\ell}{{k}^{2} \cdot {t}^{3}}}\right)}^{1} \]
    9. Step-by-step derivation
      1. unpow253.1%

        \[\leadsto {\left(\ell \cdot \frac{\ell}{\color{blue}{\left(k \cdot k\right)} \cdot {t}^{3}}\right)}^{1} \]
      2. associate-*l*72.7%

        \[\leadsto {\left(\ell \cdot \frac{\ell}{\color{blue}{k \cdot \left(k \cdot {t}^{3}\right)}}\right)}^{1} \]
    10. Simplified72.7%

      \[\leadsto {\left(\ell \cdot \color{blue}{\frac{\ell}{k \cdot \left(k \cdot {t}^{3}\right)}}\right)}^{1} \]

    if -4.79999999999999998e167 < t < 7.99999999999999949e-49

    1. Initial program 46.8%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. *-commutative46.8%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
      2. associate-*l*45.2%

        \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)\right)}} \]
      3. associate-*r*45.2%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
      4. +-commutative45.2%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      5. associate-+r+45.2%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(\left(1 + 1\right) + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      6. metadata-eval45.2%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{2} + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    3. Simplified45.2%

      \[\leadsto \color{blue}{\frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    4. Step-by-step derivation
      1. add-cube-cbrt45.1%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \color{blue}{\left(\left(\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}}\right)}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. pow345.1%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \color{blue}{{\left(\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}}\right)}^{3}}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      3. div-inv44.5%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(\sqrt[3]{\color{blue}{{t}^{3} \cdot \frac{1}{\ell \cdot \ell}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      4. cbrt-prod44.4%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\color{blue}{\left(\sqrt[3]{{t}^{3}} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)}}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      5. unpow344.4%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(\sqrt[3]{\color{blue}{\left(t \cdot t\right) \cdot t}} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      6. add-cbrt-cube55.6%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(\color{blue}{t} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      7. pow255.6%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(t \cdot \sqrt[3]{\frac{1}{\color{blue}{{\ell}^{2}}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      8. pow-flip55.7%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(t \cdot \sqrt[3]{\color{blue}{{\ell}^{\left(-2\right)}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      9. metadata-eval55.7%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(t \cdot \sqrt[3]{{\ell}^{\color{blue}{-2}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    5. Applied egg-rr55.7%

      \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \color{blue}{{\left(t \cdot \sqrt[3]{{\ell}^{-2}}\right)}^{3}}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    6. Taylor expanded in k around inf 67.9%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot t}{{\ell}^{2}}} \cdot \left(\sin k \cdot \tan k\right)} \]
    7. Step-by-step derivation
      1. *-commutative67.9%

        \[\leadsto \frac{2}{\frac{\color{blue}{t \cdot {k}^{2}}}{{\ell}^{2}} \cdot \left(\sin k \cdot \tan k\right)} \]
      2. unpow267.9%

        \[\leadsto \frac{2}{\frac{t \cdot {k}^{2}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)} \]
      3. times-frac76.2%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{t}{\ell} \cdot \frac{{k}^{2}}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]
      4. unpow276.2%

        \[\leadsto \frac{2}{\left(\frac{t}{\ell} \cdot \frac{\color{blue}{k \cdot k}}{\ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    8. Simplified76.2%

      \[\leadsto \frac{2}{\color{blue}{\left(\frac{t}{\ell} \cdot \frac{k \cdot k}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]
    9. Taylor expanded in t around 0 67.9%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot t}{{\ell}^{2}}} \cdot \left(\sin k \cdot \tan k\right)} \]
    10. Step-by-step derivation
      1. *-commutative67.9%

        \[\leadsto \frac{2}{\frac{\color{blue}{t \cdot {k}^{2}}}{{\ell}^{2}} \cdot \left(\sin k \cdot \tan k\right)} \]
      2. unpow267.9%

        \[\leadsto \frac{2}{\frac{t \cdot {k}^{2}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)} \]
      3. unpow267.9%

        \[\leadsto \frac{2}{\frac{t \cdot \color{blue}{\left(k \cdot k\right)}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)} \]
      4. associate-*r*70.6%

        \[\leadsto \frac{2}{\frac{\color{blue}{\left(t \cdot k\right) \cdot k}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)} \]
      5. times-frac87.1%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]
    11. Simplified87.1%

      \[\leadsto \frac{2}{\color{blue}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]

    if 7.99999999999999949e-49 < t

    1. Initial program 76.8%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-*l*76.8%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      2. +-commutative76.8%

        \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \color{blue}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)} \]
    3. Simplified76.8%

      \[\leadsto \color{blue}{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)}} \]
    4. Taylor expanded in k around 0 70.5%

      \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \color{blue}{\left(2 \cdot k\right)}} \]
    5. Taylor expanded in k around 0 75.7%

      \[\leadsto \frac{2}{\color{blue}{\frac{k \cdot {t}^{3}}{{\ell}^{2}}} \cdot \left(2 \cdot k\right)} \]
    6. Step-by-step derivation
      1. unpow275.7%

        \[\leadsto \frac{2}{\frac{k \cdot {t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \left(2 \cdot k\right)} \]
    7. Simplified75.7%

      \[\leadsto \frac{2}{\color{blue}{\frac{k \cdot {t}^{3}}{\ell \cdot \ell}} \cdot \left(2 \cdot k\right)} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification82.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -4.8 \cdot 10^{+167}:\\ \;\;\;\;\ell \cdot \frac{\ell}{k \cdot \left(k \cdot {t}^{3}\right)}\\ \mathbf{elif}\;t \leq 8 \cdot 10^{-49}:\\ \;\;\;\;\frac{2}{\left(\frac{t \cdot k}{\ell} \cdot \frac{k}{\ell}\right) \cdot \left(\tan k \cdot \sin k\right)}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\frac{k \cdot {t}^{3}}{\ell \cdot \ell} \cdot \left(2 \cdot k\right)}\\ \end{array} \]

Alternative 12: 64.6% accurate, 1.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := \frac{\ell}{{k}^{4}}\\ t_2 := k \cdot {t}^{3}\\ t_3 := k \cdot t_2\\ \mathbf{if}\;t \leq -2.06 \cdot 10^{+167}:\\ \;\;\;\;\ell \cdot \frac{\ell}{t_3}\\ \mathbf{elif}\;t \leq -1.65 \cdot 10^{+94}:\\ \;\;\;\;2 \cdot \frac{\ell \cdot t_1}{t}\\ \mathbf{elif}\;t \leq -1.26 \cdot 10^{-104}:\\ \;\;\;\;\frac{\left(\ell \cdot \ell\right) \cdot \cos k}{t_3}\\ \mathbf{elif}\;t \leq 1.15 \cdot 10^{-51}:\\ \;\;\;\;t_1 \cdot \frac{2}{\frac{t}{\ell}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\frac{t_2}{\ell \cdot \ell} \cdot \left(2 \cdot k\right)}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (/ l (pow k 4.0))) (t_2 (* k (pow t 3.0))) (t_3 (* k t_2)))
   (if (<= t -2.06e+167)
     (* l (/ l t_3))
     (if (<= t -1.65e+94)
       (* 2.0 (/ (* l t_1) t))
       (if (<= t -1.26e-104)
         (/ (* (* l l) (cos k)) t_3)
         (if (<= t 1.15e-51)
           (* t_1 (/ 2.0 (/ t l)))
           (/ 2.0 (* (/ t_2 (* l l)) (* 2.0 k)))))))))
double code(double t, double l, double k) {
	double t_1 = l / pow(k, 4.0);
	double t_2 = k * pow(t, 3.0);
	double t_3 = k * t_2;
	double tmp;
	if (t <= -2.06e+167) {
		tmp = l * (l / t_3);
	} else if (t <= -1.65e+94) {
		tmp = 2.0 * ((l * t_1) / t);
	} else if (t <= -1.26e-104) {
		tmp = ((l * l) * cos(k)) / t_3;
	} else if (t <= 1.15e-51) {
		tmp = t_1 * (2.0 / (t / l));
	} else {
		tmp = 2.0 / ((t_2 / (l * l)) * (2.0 * k));
	}
	return tmp;
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    real(8) :: t_1
    real(8) :: t_2
    real(8) :: t_3
    real(8) :: tmp
    t_1 = l / (k ** 4.0d0)
    t_2 = k * (t ** 3.0d0)
    t_3 = k * t_2
    if (t <= (-2.06d+167)) then
        tmp = l * (l / t_3)
    else if (t <= (-1.65d+94)) then
        tmp = 2.0d0 * ((l * t_1) / t)
    else if (t <= (-1.26d-104)) then
        tmp = ((l * l) * cos(k)) / t_3
    else if (t <= 1.15d-51) then
        tmp = t_1 * (2.0d0 / (t / l))
    else
        tmp = 2.0d0 / ((t_2 / (l * l)) * (2.0d0 * k))
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double t_1 = l / Math.pow(k, 4.0);
	double t_2 = k * Math.pow(t, 3.0);
	double t_3 = k * t_2;
	double tmp;
	if (t <= -2.06e+167) {
		tmp = l * (l / t_3);
	} else if (t <= -1.65e+94) {
		tmp = 2.0 * ((l * t_1) / t);
	} else if (t <= -1.26e-104) {
		tmp = ((l * l) * Math.cos(k)) / t_3;
	} else if (t <= 1.15e-51) {
		tmp = t_1 * (2.0 / (t / l));
	} else {
		tmp = 2.0 / ((t_2 / (l * l)) * (2.0 * k));
	}
	return tmp;
}
def code(t, l, k):
	t_1 = l / math.pow(k, 4.0)
	t_2 = k * math.pow(t, 3.0)
	t_3 = k * t_2
	tmp = 0
	if t <= -2.06e+167:
		tmp = l * (l / t_3)
	elif t <= -1.65e+94:
		tmp = 2.0 * ((l * t_1) / t)
	elif t <= -1.26e-104:
		tmp = ((l * l) * math.cos(k)) / t_3
	elif t <= 1.15e-51:
		tmp = t_1 * (2.0 / (t / l))
	else:
		tmp = 2.0 / ((t_2 / (l * l)) * (2.0 * k))
	return tmp
function code(t, l, k)
	t_1 = Float64(l / (k ^ 4.0))
	t_2 = Float64(k * (t ^ 3.0))
	t_3 = Float64(k * t_2)
	tmp = 0.0
	if (t <= -2.06e+167)
		tmp = Float64(l * Float64(l / t_3));
	elseif (t <= -1.65e+94)
		tmp = Float64(2.0 * Float64(Float64(l * t_1) / t));
	elseif (t <= -1.26e-104)
		tmp = Float64(Float64(Float64(l * l) * cos(k)) / t_3);
	elseif (t <= 1.15e-51)
		tmp = Float64(t_1 * Float64(2.0 / Float64(t / l)));
	else
		tmp = Float64(2.0 / Float64(Float64(t_2 / Float64(l * l)) * Float64(2.0 * k)));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	t_1 = l / (k ^ 4.0);
	t_2 = k * (t ^ 3.0);
	t_3 = k * t_2;
	tmp = 0.0;
	if (t <= -2.06e+167)
		tmp = l * (l / t_3);
	elseif (t <= -1.65e+94)
		tmp = 2.0 * ((l * t_1) / t);
	elseif (t <= -1.26e-104)
		tmp = ((l * l) * cos(k)) / t_3;
	elseif (t <= 1.15e-51)
		tmp = t_1 * (2.0 / (t / l));
	else
		tmp = 2.0 / ((t_2 / (l * l)) * (2.0 * k));
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := Block[{t$95$1 = N[(l / N[Power[k, 4.0], $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(k * N[Power[t, 3.0], $MachinePrecision]), $MachinePrecision]}, Block[{t$95$3 = N[(k * t$95$2), $MachinePrecision]}, If[LessEqual[t, -2.06e+167], N[(l * N[(l / t$95$3), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, -1.65e+94], N[(2.0 * N[(N[(l * t$95$1), $MachinePrecision] / t), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, -1.26e-104], N[(N[(N[(l * l), $MachinePrecision] * N[Cos[k], $MachinePrecision]), $MachinePrecision] / t$95$3), $MachinePrecision], If[LessEqual[t, 1.15e-51], N[(t$95$1 * N[(2.0 / N[(t / l), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 / N[(N[(t$95$2 / N[(l * l), $MachinePrecision]), $MachinePrecision] * N[(2.0 * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := \frac{\ell}{{k}^{4}}\\
t_2 := k \cdot {t}^{3}\\
t_3 := k \cdot t_2\\
\mathbf{if}\;t \leq -2.06 \cdot 10^{+167}:\\
\;\;\;\;\ell \cdot \frac{\ell}{t_3}\\

\mathbf{elif}\;t \leq -1.65 \cdot 10^{+94}:\\
\;\;\;\;2 \cdot \frac{\ell \cdot t_1}{t}\\

\mathbf{elif}\;t \leq -1.26 \cdot 10^{-104}:\\
\;\;\;\;\frac{\left(\ell \cdot \ell\right) \cdot \cos k}{t_3}\\

\mathbf{elif}\;t \leq 1.15 \cdot 10^{-51}:\\
\;\;\;\;t_1 \cdot \frac{2}{\frac{t}{\ell}}\\

\mathbf{else}:\\
\;\;\;\;\frac{2}{\frac{t_2}{\ell \cdot \ell} \cdot \left(2 \cdot k\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 5 regimes
  2. if t < -2.06e167

    1. Initial program 72.2%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/l/72.2%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \]
      2. associate-*l/72.2%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{{t}^{3} \cdot \sin k}{\ell \cdot \ell}} \cdot \tan k} \]
      3. associate-*l/72.2%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}{\ell \cdot \ell}}} \]
      4. associate-/r/72.2%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k} \cdot \left(\ell \cdot \ell\right)} \]
      5. *-commutative72.2%

        \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}} \]
      6. associate-/l/72.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \color{blue}{\frac{2}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)}} \]
      7. associate-*r*72.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left({t}^{3} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      8. *-commutative72.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\left({t}^{3} \cdot \sin k\right) \cdot \color{blue}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \tan k\right)}} \]
      9. associate-*r*72.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right) \cdot \tan k}} \]
      10. *-commutative72.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\tan k \cdot \left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
    3. Simplified72.2%

      \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}} \]
    4. Step-by-step derivation
      1. add-cube-cbrt72.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left(\sqrt[3]{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)} \cdot \sqrt[3]{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}\right) \cdot \sqrt[3]{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}}} \]
      2. pow372.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{{\left(\sqrt[3]{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}\right)}^{3}}} \]
    5. Applied egg-rr85.2%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{{\left(\sqrt[3]{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}}} \]
    6. Step-by-step derivation
      1. pow185.2%

        \[\leadsto \color{blue}{{\left(\left(\ell \cdot \ell\right) \cdot \frac{2}{{\left(\sqrt[3]{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}}\right)}^{1}} \]
      2. associate-*l*85.7%

        \[\leadsto {\color{blue}{\left(\ell \cdot \left(\ell \cdot \frac{2}{{\left(\sqrt[3]{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}}\right)\right)}}^{1} \]
    7. Applied egg-rr85.7%

      \[\leadsto \color{blue}{{\left(\ell \cdot \left(\ell \cdot \frac{2}{{\left(\sqrt[3]{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}}\right)\right)}^{1}} \]
    8. Taylor expanded in k around 0 53.1%

      \[\leadsto {\left(\ell \cdot \color{blue}{\frac{\ell}{{k}^{2} \cdot {t}^{3}}}\right)}^{1} \]
    9. Step-by-step derivation
      1. unpow253.1%

        \[\leadsto {\left(\ell \cdot \frac{\ell}{\color{blue}{\left(k \cdot k\right)} \cdot {t}^{3}}\right)}^{1} \]
      2. associate-*l*72.7%

        \[\leadsto {\left(\ell \cdot \frac{\ell}{\color{blue}{k \cdot \left(k \cdot {t}^{3}\right)}}\right)}^{1} \]
    10. Simplified72.7%

      \[\leadsto {\left(\ell \cdot \color{blue}{\frac{\ell}{k \cdot \left(k \cdot {t}^{3}\right)}}\right)}^{1} \]

    if -2.06e167 < t < -1.65e94

    1. Initial program 35.4%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/l/35.4%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \]
      2. associate-*l/35.4%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{{t}^{3} \cdot \sin k}{\ell \cdot \ell}} \cdot \tan k} \]
      3. associate-*l/35.4%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}{\ell \cdot \ell}}} \]
      4. associate-/r/35.2%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k} \cdot \left(\ell \cdot \ell\right)} \]
      5. *-commutative35.2%

        \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}} \]
      6. associate-/l/35.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \color{blue}{\frac{2}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)}} \]
      7. associate-*r*35.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left({t}^{3} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      8. *-commutative35.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\left({t}^{3} \cdot \sin k\right) \cdot \color{blue}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \tan k\right)}} \]
      9. associate-*r*35.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right) \cdot \tan k}} \]
      10. *-commutative35.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\tan k \cdot \left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
    3. Simplified35.2%

      \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}} \]
    4. Taylor expanded in k around inf 64.8%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{\left({k}^{2} \cdot \left(\sin k \cdot t\right)\right)}} \]
    5. Step-by-step derivation
      1. *-commutative64.8%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{\left(\left(\sin k \cdot t\right) \cdot {k}^{2}\right)}} \]
      2. associate-*l*64.8%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{\left(\sin k \cdot \left(t \cdot {k}^{2}\right)\right)}} \]
      3. *-commutative64.8%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\sin k \cdot \color{blue}{\left({k}^{2} \cdot t\right)}\right)} \]
      4. unpow264.8%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\sin k \cdot \left(\color{blue}{\left(k \cdot k\right)} \cdot t\right)\right)} \]
      5. associate-*l*64.8%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\sin k \cdot \color{blue}{\left(k \cdot \left(k \cdot t\right)\right)}\right)} \]
    6. Simplified64.8%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{\left(\sin k \cdot \left(k \cdot \left(k \cdot t\right)\right)\right)}} \]
    7. Taylor expanded in k around 0 64.8%

      \[\leadsto \color{blue}{2 \cdot \frac{{\ell}^{2}}{{k}^{4} \cdot t}} \]
    8. Step-by-step derivation
      1. unpow264.8%

        \[\leadsto 2 \cdot \frac{\color{blue}{\ell \cdot \ell}}{{k}^{4} \cdot t} \]
      2. *-commutative64.8%

        \[\leadsto 2 \cdot \frac{\ell \cdot \ell}{\color{blue}{t \cdot {k}^{4}}} \]
      3. times-frac65.1%

        \[\leadsto 2 \cdot \color{blue}{\left(\frac{\ell}{t} \cdot \frac{\ell}{{k}^{4}}\right)} \]
    9. Simplified65.1%

      \[\leadsto \color{blue}{2 \cdot \left(\frac{\ell}{t} \cdot \frac{\ell}{{k}^{4}}\right)} \]
    10. Step-by-step derivation
      1. associate-*l/65.2%

        \[\leadsto 2 \cdot \color{blue}{\frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}} \]
    11. Applied egg-rr65.2%

      \[\leadsto 2 \cdot \color{blue}{\frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}} \]

    if -1.65e94 < t < -1.26e-104

    1. Initial program 75.8%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/l/75.8%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \]
      2. associate-*l/75.8%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{{t}^{3} \cdot \sin k}{\ell \cdot \ell}} \cdot \tan k} \]
      3. associate-*l/75.5%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}{\ell \cdot \ell}}} \]
      4. associate-/r/75.5%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k} \cdot \left(\ell \cdot \ell\right)} \]
      5. *-commutative75.5%

        \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}} \]
      6. associate-/l/75.4%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \color{blue}{\frac{2}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)}} \]
      7. associate-*r*75.5%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left({t}^{3} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      8. *-commutative75.5%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\left({t}^{3} \cdot \sin k\right) \cdot \color{blue}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \tan k\right)}} \]
      9. associate-*r*75.4%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right) \cdot \tan k}} \]
      10. *-commutative75.4%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\tan k \cdot \left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
    3. Simplified75.4%

      \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}} \]
    4. Taylor expanded in t around inf 51.8%

      \[\leadsto \color{blue}{\frac{\cos k \cdot {\ell}^{2}}{{\sin k}^{2} \cdot {t}^{3}}} \]
    5. Step-by-step derivation
      1. unpow251.8%

        \[\leadsto \frac{\cos k \cdot \color{blue}{\left(\ell \cdot \ell\right)}}{{\sin k}^{2} \cdot {t}^{3}} \]
    6. Simplified51.8%

      \[\leadsto \color{blue}{\frac{\cos k \cdot \left(\ell \cdot \ell\right)}{{\sin k}^{2} \cdot {t}^{3}}} \]
    7. Taylor expanded in k around 0 61.2%

      \[\leadsto \frac{\cos k \cdot \left(\ell \cdot \ell\right)}{\color{blue}{{k}^{2} \cdot {t}^{3}}} \]
    8. Step-by-step derivation
      1. unpow256.9%

        \[\leadsto \frac{\ell \cdot \ell}{\color{blue}{\left(k \cdot k\right)} \cdot {t}^{3}} \]
      2. associate-*l*58.9%

        \[\leadsto \frac{\ell \cdot \ell}{\color{blue}{k \cdot \left(k \cdot {t}^{3}\right)}} \]
    9. Simplified63.4%

      \[\leadsto \frac{\cos k \cdot \left(\ell \cdot \ell\right)}{\color{blue}{k \cdot \left(k \cdot {t}^{3}\right)}} \]

    if -1.26e-104 < t < 1.15000000000000001e-51

    1. Initial program 32.1%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. *-commutative32.1%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right)}} \]
      2. associate-*l*32.1%

        \[\leadsto \frac{2}{\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \left(\sin k \cdot \tan k\right)\right)}} \]
      3. associate-*r*32.0%

        \[\leadsto \frac{2}{\color{blue}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
      4. +-commutative32.0%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)} \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      5. associate-+r+32.0%

        \[\leadsto \frac{2}{\left(\color{blue}{\left(\left(1 + 1\right) + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      6. metadata-eval32.0%

        \[\leadsto \frac{2}{\left(\left(\color{blue}{2} + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    3. Simplified32.0%

      \[\leadsto \color{blue}{\frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \frac{{t}^{3}}{\ell \cdot \ell}\right) \cdot \left(\sin k \cdot \tan k\right)}} \]
    4. Step-by-step derivation
      1. add-cube-cbrt32.0%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \color{blue}{\left(\left(\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}} \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}}\right) \cdot \sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}}\right)}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      2. pow332.0%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \color{blue}{{\left(\sqrt[3]{\frac{{t}^{3}}{\ell \cdot \ell}}\right)}^{3}}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      3. div-inv30.9%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(\sqrt[3]{\color{blue}{{t}^{3} \cdot \frac{1}{\ell \cdot \ell}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      4. cbrt-prod30.8%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\color{blue}{\left(\sqrt[3]{{t}^{3}} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)}}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      5. unpow330.8%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(\sqrt[3]{\color{blue}{\left(t \cdot t\right) \cdot t}} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      6. add-cbrt-cube41.2%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(\color{blue}{t} \cdot \sqrt[3]{\frac{1}{\ell \cdot \ell}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      7. pow241.2%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(t \cdot \sqrt[3]{\frac{1}{\color{blue}{{\ell}^{2}}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      8. pow-flip41.3%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(t \cdot \sqrt[3]{\color{blue}{{\ell}^{\left(-2\right)}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
      9. metadata-eval41.3%

        \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot {\left(t \cdot \sqrt[3]{{\ell}^{\color{blue}{-2}}}\right)}^{3}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    5. Applied egg-rr41.3%

      \[\leadsto \frac{2}{\left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \color{blue}{{\left(t \cdot \sqrt[3]{{\ell}^{-2}}\right)}^{3}}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    6. Taylor expanded in k around inf 67.4%

      \[\leadsto \frac{2}{\color{blue}{\frac{{k}^{2} \cdot t}{{\ell}^{2}}} \cdot \left(\sin k \cdot \tan k\right)} \]
    7. Step-by-step derivation
      1. *-commutative67.4%

        \[\leadsto \frac{2}{\frac{\color{blue}{t \cdot {k}^{2}}}{{\ell}^{2}} \cdot \left(\sin k \cdot \tan k\right)} \]
      2. unpow267.4%

        \[\leadsto \frac{2}{\frac{t \cdot {k}^{2}}{\color{blue}{\ell \cdot \ell}} \cdot \left(\sin k \cdot \tan k\right)} \]
      3. times-frac80.1%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{t}{\ell} \cdot \frac{{k}^{2}}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]
      4. unpow280.1%

        \[\leadsto \frac{2}{\left(\frac{t}{\ell} \cdot \frac{\color{blue}{k \cdot k}}{\ell}\right) \cdot \left(\sin k \cdot \tan k\right)} \]
    8. Simplified80.1%

      \[\leadsto \frac{2}{\color{blue}{\left(\frac{t}{\ell} \cdot \frac{k \cdot k}{\ell}\right)} \cdot \left(\sin k \cdot \tan k\right)} \]
    9. Taylor expanded in k around 0 57.1%

      \[\leadsto \color{blue}{2 \cdot \frac{{\ell}^{2}}{{k}^{4} \cdot t}} \]
    10. Step-by-step derivation
      1. unpow257.1%

        \[\leadsto 2 \cdot \frac{\color{blue}{\ell \cdot \ell}}{{k}^{4} \cdot t} \]
      2. *-commutative57.1%

        \[\leadsto 2 \cdot \frac{\ell \cdot \ell}{\color{blue}{t \cdot {k}^{4}}} \]
      3. times-frac68.4%

        \[\leadsto 2 \cdot \color{blue}{\left(\frac{\ell}{t} \cdot \frac{\ell}{{k}^{4}}\right)} \]
      4. associate-/r/68.3%

        \[\leadsto 2 \cdot \color{blue}{\frac{\ell}{\frac{t}{\frac{\ell}{{k}^{4}}}}} \]
      5. associate-*r/68.3%

        \[\leadsto \color{blue}{\frac{2 \cdot \ell}{\frac{t}{\frac{\ell}{{k}^{4}}}}} \]
      6. associate-/r/68.1%

        \[\leadsto \frac{2 \cdot \ell}{\color{blue}{\frac{t}{\ell} \cdot {k}^{4}}} \]
      7. times-frac68.4%

        \[\leadsto \color{blue}{\frac{2}{\frac{t}{\ell}} \cdot \frac{\ell}{{k}^{4}}} \]
    11. Simplified68.4%

      \[\leadsto \color{blue}{\frac{2}{\frac{t}{\ell}} \cdot \frac{\ell}{{k}^{4}}} \]

    if 1.15000000000000001e-51 < t

    1. Initial program 76.8%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-*l*76.8%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      2. +-commutative76.8%

        \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \color{blue}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)} \]
    3. Simplified76.8%

      \[\leadsto \color{blue}{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)}} \]
    4. Taylor expanded in k around 0 70.5%

      \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \color{blue}{\left(2 \cdot k\right)}} \]
    5. Taylor expanded in k around 0 75.7%

      \[\leadsto \frac{2}{\color{blue}{\frac{k \cdot {t}^{3}}{{\ell}^{2}}} \cdot \left(2 \cdot k\right)} \]
    6. Step-by-step derivation
      1. unpow275.7%

        \[\leadsto \frac{2}{\frac{k \cdot {t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \left(2 \cdot k\right)} \]
    7. Simplified75.7%

      \[\leadsto \frac{2}{\color{blue}{\frac{k \cdot {t}^{3}}{\ell \cdot \ell}} \cdot \left(2 \cdot k\right)} \]
  3. Recombined 5 regimes into one program.
  4. Final simplification69.6%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -2.06 \cdot 10^{+167}:\\ \;\;\;\;\ell \cdot \frac{\ell}{k \cdot \left(k \cdot {t}^{3}\right)}\\ \mathbf{elif}\;t \leq -1.65 \cdot 10^{+94}:\\ \;\;\;\;2 \cdot \frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}\\ \mathbf{elif}\;t \leq -1.26 \cdot 10^{-104}:\\ \;\;\;\;\frac{\left(\ell \cdot \ell\right) \cdot \cos k}{k \cdot \left(k \cdot {t}^{3}\right)}\\ \mathbf{elif}\;t \leq 1.15 \cdot 10^{-51}:\\ \;\;\;\;\frac{\ell}{{k}^{4}} \cdot \frac{2}{\frac{t}{\ell}}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\frac{k \cdot {t}^{3}}{\ell \cdot \ell} \cdot \left(2 \cdot k\right)}\\ \end{array} \]

Alternative 13: 67.0% accurate, 1.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;k \leq 1.3 \cdot 10^{-15}:\\ \;\;\;\;\frac{2}{\left(\frac{{t}^{3}}{\ell} \cdot \frac{\sin k}{\ell}\right) \cdot \left(2 \cdot k\right)}\\ \mathbf{else}:\\ \;\;\;\;\left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\sin k \cdot \left(k \cdot \left(t \cdot k\right)\right)\right)}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (<= k 1.3e-15)
   (/ 2.0 (* (* (/ (pow t 3.0) l) (/ (sin k) l)) (* 2.0 k)))
   (* (* l l) (/ 2.0 (* (tan k) (* (sin k) (* k (* t k))))))))
double code(double t, double l, double k) {
	double tmp;
	if (k <= 1.3e-15) {
		tmp = 2.0 / (((pow(t, 3.0) / l) * (sin(k) / l)) * (2.0 * k));
	} else {
		tmp = (l * l) * (2.0 / (tan(k) * (sin(k) * (k * (t * k)))));
	}
	return tmp;
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    real(8) :: tmp
    if (k <= 1.3d-15) then
        tmp = 2.0d0 / ((((t ** 3.0d0) / l) * (sin(k) / l)) * (2.0d0 * k))
    else
        tmp = (l * l) * (2.0d0 / (tan(k) * (sin(k) * (k * (t * k)))))
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double tmp;
	if (k <= 1.3e-15) {
		tmp = 2.0 / (((Math.pow(t, 3.0) / l) * (Math.sin(k) / l)) * (2.0 * k));
	} else {
		tmp = (l * l) * (2.0 / (Math.tan(k) * (Math.sin(k) * (k * (t * k)))));
	}
	return tmp;
}
def code(t, l, k):
	tmp = 0
	if k <= 1.3e-15:
		tmp = 2.0 / (((math.pow(t, 3.0) / l) * (math.sin(k) / l)) * (2.0 * k))
	else:
		tmp = (l * l) * (2.0 / (math.tan(k) * (math.sin(k) * (k * (t * k)))))
	return tmp
function code(t, l, k)
	tmp = 0.0
	if (k <= 1.3e-15)
		tmp = Float64(2.0 / Float64(Float64(Float64((t ^ 3.0) / l) * Float64(sin(k) / l)) * Float64(2.0 * k)));
	else
		tmp = Float64(Float64(l * l) * Float64(2.0 / Float64(tan(k) * Float64(sin(k) * Float64(k * Float64(t * k))))));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	tmp = 0.0;
	if (k <= 1.3e-15)
		tmp = 2.0 / ((((t ^ 3.0) / l) * (sin(k) / l)) * (2.0 * k));
	else
		tmp = (l * l) * (2.0 / (tan(k) * (sin(k) * (k * (t * k)))));
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := If[LessEqual[k, 1.3e-15], N[(2.0 / N[(N[(N[(N[Power[t, 3.0], $MachinePrecision] / l), $MachinePrecision] * N[(N[Sin[k], $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision] * N[(2.0 * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(l * l), $MachinePrecision] * N[(2.0 / N[(N[Tan[k], $MachinePrecision] * N[(N[Sin[k], $MachinePrecision] * N[(k * N[(t * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;k \leq 1.3 \cdot 10^{-15}:\\
\;\;\;\;\frac{2}{\left(\frac{{t}^{3}}{\ell} \cdot \frac{\sin k}{\ell}\right) \cdot \left(2 \cdot k\right)}\\

\mathbf{else}:\\
\;\;\;\;\left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\sin k \cdot \left(k \cdot \left(t \cdot k\right)\right)\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < 1.30000000000000002e-15

    1. Initial program 58.8%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-*l*58.8%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      2. +-commutative58.8%

        \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \color{blue}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)} \]
    3. Simplified58.8%

      \[\leadsto \color{blue}{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)}} \]
    4. Taylor expanded in k around 0 59.2%

      \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \color{blue}{\left(2 \cdot k\right)}} \]
    5. Taylor expanded in t around 0 59.6%

      \[\leadsto \frac{2}{\color{blue}{\frac{\sin k \cdot {t}^{3}}{{\ell}^{2}}} \cdot \left(2 \cdot k\right)} \]
    6. Step-by-step derivation
      1. *-commutative59.6%

        \[\leadsto \frac{2}{\frac{\color{blue}{{t}^{3} \cdot \sin k}}{{\ell}^{2}} \cdot \left(2 \cdot k\right)} \]
      2. unpow259.6%

        \[\leadsto \frac{2}{\frac{{t}^{3} \cdot \sin k}{\color{blue}{\ell \cdot \ell}} \cdot \left(2 \cdot k\right)} \]
      3. times-frac64.9%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell} \cdot \frac{\sin k}{\ell}\right)} \cdot \left(2 \cdot k\right)} \]
    7. Simplified64.9%

      \[\leadsto \frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell} \cdot \frac{\sin k}{\ell}\right)} \cdot \left(2 \cdot k\right)} \]

    if 1.30000000000000002e-15 < k

    1. Initial program 55.4%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/l/55.4%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \]
      2. associate-*l/55.4%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{{t}^{3} \cdot \sin k}{\ell \cdot \ell}} \cdot \tan k} \]
      3. associate-*l/55.4%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}{\ell \cdot \ell}}} \]
      4. associate-/r/55.4%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k} \cdot \left(\ell \cdot \ell\right)} \]
      5. *-commutative55.4%

        \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}} \]
      6. associate-/l/55.4%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \color{blue}{\frac{2}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)}} \]
      7. associate-*r*55.4%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left({t}^{3} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      8. *-commutative55.4%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\left({t}^{3} \cdot \sin k\right) \cdot \color{blue}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \tan k\right)}} \]
      9. associate-*r*55.4%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right) \cdot \tan k}} \]
      10. *-commutative55.4%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\tan k \cdot \left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
    3. Simplified55.4%

      \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}} \]
    4. Taylor expanded in k around inf 70.2%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{\left({k}^{2} \cdot \left(\sin k \cdot t\right)\right)}} \]
    5. Step-by-step derivation
      1. *-commutative70.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{\left(\left(\sin k \cdot t\right) \cdot {k}^{2}\right)}} \]
      2. associate-*l*70.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{\left(\sin k \cdot \left(t \cdot {k}^{2}\right)\right)}} \]
      3. *-commutative70.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\sin k \cdot \color{blue}{\left({k}^{2} \cdot t\right)}\right)} \]
      4. unpow270.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\sin k \cdot \left(\color{blue}{\left(k \cdot k\right)} \cdot t\right)\right)} \]
      5. associate-*l*73.4%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\sin k \cdot \color{blue}{\left(k \cdot \left(k \cdot t\right)\right)}\right)} \]
    6. Simplified73.4%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{\left(\sin k \cdot \left(k \cdot \left(k \cdot t\right)\right)\right)}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification67.3%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 1.3 \cdot 10^{-15}:\\ \;\;\;\;\frac{2}{\left(\frac{{t}^{3}}{\ell} \cdot \frac{\sin k}{\ell}\right) \cdot \left(2 \cdot k\right)}\\ \mathbf{else}:\\ \;\;\;\;\left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\sin k \cdot \left(k \cdot \left(t \cdot k\right)\right)\right)}\\ \end{array} \]

Alternative 14: 62.2% accurate, 1.9× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;k \leq 6 \cdot 10^{+35}:\\ \;\;\;\;\frac{2}{\left(\frac{{t}^{3}}{\ell} \cdot \frac{\sin k}{\ell}\right) \cdot \left(2 \cdot k\right)}\\ \mathbf{else}:\\ \;\;\;\;\left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(t \cdot {k}^{3}\right)}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (<= k 6e+35)
   (/ 2.0 (* (* (/ (pow t 3.0) l) (/ (sin k) l)) (* 2.0 k)))
   (* (* l l) (/ 2.0 (* (tan k) (* t (pow k 3.0)))))))
double code(double t, double l, double k) {
	double tmp;
	if (k <= 6e+35) {
		tmp = 2.0 / (((pow(t, 3.0) / l) * (sin(k) / l)) * (2.0 * k));
	} else {
		tmp = (l * l) * (2.0 / (tan(k) * (t * pow(k, 3.0))));
	}
	return tmp;
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    real(8) :: tmp
    if (k <= 6d+35) then
        tmp = 2.0d0 / ((((t ** 3.0d0) / l) * (sin(k) / l)) * (2.0d0 * k))
    else
        tmp = (l * l) * (2.0d0 / (tan(k) * (t * (k ** 3.0d0))))
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double tmp;
	if (k <= 6e+35) {
		tmp = 2.0 / (((Math.pow(t, 3.0) / l) * (Math.sin(k) / l)) * (2.0 * k));
	} else {
		tmp = (l * l) * (2.0 / (Math.tan(k) * (t * Math.pow(k, 3.0))));
	}
	return tmp;
}
def code(t, l, k):
	tmp = 0
	if k <= 6e+35:
		tmp = 2.0 / (((math.pow(t, 3.0) / l) * (math.sin(k) / l)) * (2.0 * k))
	else:
		tmp = (l * l) * (2.0 / (math.tan(k) * (t * math.pow(k, 3.0))))
	return tmp
function code(t, l, k)
	tmp = 0.0
	if (k <= 6e+35)
		tmp = Float64(2.0 / Float64(Float64(Float64((t ^ 3.0) / l) * Float64(sin(k) / l)) * Float64(2.0 * k)));
	else
		tmp = Float64(Float64(l * l) * Float64(2.0 / Float64(tan(k) * Float64(t * (k ^ 3.0)))));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	tmp = 0.0;
	if (k <= 6e+35)
		tmp = 2.0 / ((((t ^ 3.0) / l) * (sin(k) / l)) * (2.0 * k));
	else
		tmp = (l * l) * (2.0 / (tan(k) * (t * (k ^ 3.0))));
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := If[LessEqual[k, 6e+35], N[(2.0 / N[(N[(N[(N[Power[t, 3.0], $MachinePrecision] / l), $MachinePrecision] * N[(N[Sin[k], $MachinePrecision] / l), $MachinePrecision]), $MachinePrecision] * N[(2.0 * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(l * l), $MachinePrecision] * N[(2.0 / N[(N[Tan[k], $MachinePrecision] * N[(t * N[Power[k, 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;k \leq 6 \cdot 10^{+35}:\\
\;\;\;\;\frac{2}{\left(\frac{{t}^{3}}{\ell} \cdot \frac{\sin k}{\ell}\right) \cdot \left(2 \cdot k\right)}\\

\mathbf{else}:\\
\;\;\;\;\left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(t \cdot {k}^{3}\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < 5.99999999999999981e35

    1. Initial program 60.6%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-*l*60.6%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      2. +-commutative60.6%

        \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \color{blue}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)} \]
    3. Simplified60.6%

      \[\leadsto \color{blue}{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)}} \]
    4. Taylor expanded in k around 0 58.2%

      \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \color{blue}{\left(2 \cdot k\right)}} \]
    5. Taylor expanded in t around 0 58.6%

      \[\leadsto \frac{2}{\color{blue}{\frac{\sin k \cdot {t}^{3}}{{\ell}^{2}}} \cdot \left(2 \cdot k\right)} \]
    6. Step-by-step derivation
      1. *-commutative58.6%

        \[\leadsto \frac{2}{\frac{\color{blue}{{t}^{3} \cdot \sin k}}{{\ell}^{2}} \cdot \left(2 \cdot k\right)} \]
      2. unpow258.6%

        \[\leadsto \frac{2}{\frac{{t}^{3} \cdot \sin k}{\color{blue}{\ell \cdot \ell}} \cdot \left(2 \cdot k\right)} \]
      3. times-frac63.0%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell} \cdot \frac{\sin k}{\ell}\right)} \cdot \left(2 \cdot k\right)} \]
    7. Simplified63.0%

      \[\leadsto \frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell} \cdot \frac{\sin k}{\ell}\right)} \cdot \left(2 \cdot k\right)} \]

    if 5.99999999999999981e35 < k

    1. Initial program 48.2%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/l/48.2%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \]
      2. associate-*l/48.2%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{{t}^{3} \cdot \sin k}{\ell \cdot \ell}} \cdot \tan k} \]
      3. associate-*l/48.2%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}{\ell \cdot \ell}}} \]
      4. associate-/r/48.2%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k} \cdot \left(\ell \cdot \ell\right)} \]
      5. *-commutative48.2%

        \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}} \]
      6. associate-/l/48.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \color{blue}{\frac{2}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)}} \]
      7. associate-*r*48.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left({t}^{3} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      8. *-commutative48.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\left({t}^{3} \cdot \sin k\right) \cdot \color{blue}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \tan k\right)}} \]
      9. associate-*r*48.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right) \cdot \tan k}} \]
      10. *-commutative48.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\tan k \cdot \left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
    3. Simplified48.2%

      \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}} \]
    4. Taylor expanded in k around inf 68.6%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{\left({k}^{2} \cdot \left(\sin k \cdot t\right)\right)}} \]
    5. Step-by-step derivation
      1. *-commutative68.6%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{\left(\left(\sin k \cdot t\right) \cdot {k}^{2}\right)}} \]
      2. associate-*l*68.6%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{\left(\sin k \cdot \left(t \cdot {k}^{2}\right)\right)}} \]
      3. *-commutative68.6%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\sin k \cdot \color{blue}{\left({k}^{2} \cdot t\right)}\right)} \]
      4. unpow268.6%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\sin k \cdot \left(\color{blue}{\left(k \cdot k\right)} \cdot t\right)\right)} \]
      5. associate-*l*72.7%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\sin k \cdot \color{blue}{\left(k \cdot \left(k \cdot t\right)\right)}\right)} \]
    6. Simplified72.7%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{\left(\sin k \cdot \left(k \cdot \left(k \cdot t\right)\right)\right)}} \]
    7. Taylor expanded in k around 0 55.3%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{\left({k}^{3} \cdot t\right)}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification61.3%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 6 \cdot 10^{+35}:\\ \;\;\;\;\frac{2}{\left(\frac{{t}^{3}}{\ell} \cdot \frac{\sin k}{\ell}\right) \cdot \left(2 \cdot k\right)}\\ \mathbf{else}:\\ \;\;\;\;\left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(t \cdot {k}^{3}\right)}\\ \end{array} \]

Alternative 15: 62.3% accurate, 3.6× speedup?

\[\begin{array}{l} \\ \begin{array}{l} t_1 := k \cdot {t}^{3}\\ \mathbf{if}\;t \leq -1.12 \cdot 10^{+167}:\\ \;\;\;\;\frac{\ell \cdot \ell}{k \cdot t_1}\\ \mathbf{elif}\;t \leq 2.6 \cdot 10^{-50}:\\ \;\;\;\;2 \cdot \frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\frac{t_1}{\ell \cdot \ell} \cdot \left(2 \cdot k\right)}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (let* ((t_1 (* k (pow t 3.0))))
   (if (<= t -1.12e+167)
     (/ (* l l) (* k t_1))
     (if (<= t 2.6e-50)
       (* 2.0 (/ (* l (/ l (pow k 4.0))) t))
       (/ 2.0 (* (/ t_1 (* l l)) (* 2.0 k)))))))
double code(double t, double l, double k) {
	double t_1 = k * pow(t, 3.0);
	double tmp;
	if (t <= -1.12e+167) {
		tmp = (l * l) / (k * t_1);
	} else if (t <= 2.6e-50) {
		tmp = 2.0 * ((l * (l / pow(k, 4.0))) / t);
	} else {
		tmp = 2.0 / ((t_1 / (l * l)) * (2.0 * k));
	}
	return tmp;
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    real(8) :: t_1
    real(8) :: tmp
    t_1 = k * (t ** 3.0d0)
    if (t <= (-1.12d+167)) then
        tmp = (l * l) / (k * t_1)
    else if (t <= 2.6d-50) then
        tmp = 2.0d0 * ((l * (l / (k ** 4.0d0))) / t)
    else
        tmp = 2.0d0 / ((t_1 / (l * l)) * (2.0d0 * k))
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double t_1 = k * Math.pow(t, 3.0);
	double tmp;
	if (t <= -1.12e+167) {
		tmp = (l * l) / (k * t_1);
	} else if (t <= 2.6e-50) {
		tmp = 2.0 * ((l * (l / Math.pow(k, 4.0))) / t);
	} else {
		tmp = 2.0 / ((t_1 / (l * l)) * (2.0 * k));
	}
	return tmp;
}
def code(t, l, k):
	t_1 = k * math.pow(t, 3.0)
	tmp = 0
	if t <= -1.12e+167:
		tmp = (l * l) / (k * t_1)
	elif t <= 2.6e-50:
		tmp = 2.0 * ((l * (l / math.pow(k, 4.0))) / t)
	else:
		tmp = 2.0 / ((t_1 / (l * l)) * (2.0 * k))
	return tmp
function code(t, l, k)
	t_1 = Float64(k * (t ^ 3.0))
	tmp = 0.0
	if (t <= -1.12e+167)
		tmp = Float64(Float64(l * l) / Float64(k * t_1));
	elseif (t <= 2.6e-50)
		tmp = Float64(2.0 * Float64(Float64(l * Float64(l / (k ^ 4.0))) / t));
	else
		tmp = Float64(2.0 / Float64(Float64(t_1 / Float64(l * l)) * Float64(2.0 * k)));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	t_1 = k * (t ^ 3.0);
	tmp = 0.0;
	if (t <= -1.12e+167)
		tmp = (l * l) / (k * t_1);
	elseif (t <= 2.6e-50)
		tmp = 2.0 * ((l * (l / (k ^ 4.0))) / t);
	else
		tmp = 2.0 / ((t_1 / (l * l)) * (2.0 * k));
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := Block[{t$95$1 = N[(k * N[Power[t, 3.0], $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t, -1.12e+167], N[(N[(l * l), $MachinePrecision] / N[(k * t$95$1), $MachinePrecision]), $MachinePrecision], If[LessEqual[t, 2.6e-50], N[(2.0 * N[(N[(l * N[(l / N[Power[k, 4.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / t), $MachinePrecision]), $MachinePrecision], N[(2.0 / N[(N[(t$95$1 / N[(l * l), $MachinePrecision]), $MachinePrecision] * N[(2.0 * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}

\\
\begin{array}{l}
t_1 := k \cdot {t}^{3}\\
\mathbf{if}\;t \leq -1.12 \cdot 10^{+167}:\\
\;\;\;\;\frac{\ell \cdot \ell}{k \cdot t_1}\\

\mathbf{elif}\;t \leq 2.6 \cdot 10^{-50}:\\
\;\;\;\;2 \cdot \frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}\\

\mathbf{else}:\\
\;\;\;\;\frac{2}{\frac{t_1}{\ell \cdot \ell} \cdot \left(2 \cdot k\right)}\\


\end{array}
\end{array}
Derivation
  1. Split input into 3 regimes
  2. if t < -1.11999999999999999e167

    1. Initial program 72.2%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/l/72.2%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \]
      2. associate-*l/72.2%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{{t}^{3} \cdot \sin k}{\ell \cdot \ell}} \cdot \tan k} \]
      3. associate-*l/72.2%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}{\ell \cdot \ell}}} \]
      4. associate-/r/72.2%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k} \cdot \left(\ell \cdot \ell\right)} \]
      5. *-commutative72.2%

        \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}} \]
      6. associate-/l/72.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \color{blue}{\frac{2}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)}} \]
      7. associate-*r*72.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left({t}^{3} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      8. *-commutative72.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\left({t}^{3} \cdot \sin k\right) \cdot \color{blue}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \tan k\right)}} \]
      9. associate-*r*72.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right) \cdot \tan k}} \]
      10. *-commutative72.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\tan k \cdot \left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
    3. Simplified72.2%

      \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}} \]
    4. Taylor expanded in t around inf 52.6%

      \[\leadsto \color{blue}{\frac{\cos k \cdot {\ell}^{2}}{{\sin k}^{2} \cdot {t}^{3}}} \]
    5. Step-by-step derivation
      1. unpow252.6%

        \[\leadsto \frac{\cos k \cdot \color{blue}{\left(\ell \cdot \ell\right)}}{{\sin k}^{2} \cdot {t}^{3}} \]
    6. Simplified52.6%

      \[\leadsto \color{blue}{\frac{\cos k \cdot \left(\ell \cdot \ell\right)}{{\sin k}^{2} \cdot {t}^{3}}} \]
    7. Taylor expanded in k around 0 52.6%

      \[\leadsto \frac{\color{blue}{{\ell}^{2}}}{{\sin k}^{2} \cdot {t}^{3}} \]
    8. Step-by-step derivation
      1. unpow252.6%

        \[\leadsto \frac{\color{blue}{\ell \cdot \ell}}{{\sin k}^{2} \cdot {t}^{3}} \]
    9. Simplified52.6%

      \[\leadsto \frac{\color{blue}{\ell \cdot \ell}}{{\sin k}^{2} \cdot {t}^{3}} \]
    10. Taylor expanded in k around 0 52.6%

      \[\leadsto \frac{\ell \cdot \ell}{\color{blue}{{k}^{2} \cdot {t}^{3}}} \]
    11. Step-by-step derivation
      1. unpow252.6%

        \[\leadsto \frac{\ell \cdot \ell}{\color{blue}{\left(k \cdot k\right)} \cdot {t}^{3}} \]
      2. associate-*l*72.2%

        \[\leadsto \frac{\ell \cdot \ell}{\color{blue}{k \cdot \left(k \cdot {t}^{3}\right)}} \]
    12. Simplified72.2%

      \[\leadsto \frac{\ell \cdot \ell}{\color{blue}{k \cdot \left(k \cdot {t}^{3}\right)}} \]

    if -1.11999999999999999e167 < t < 2.6000000000000001e-50

    1. Initial program 46.8%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/l/46.8%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \]
      2. associate-*l/46.7%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{{t}^{3} \cdot \sin k}{\ell \cdot \ell}} \cdot \tan k} \]
      3. associate-*l/46.1%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}{\ell \cdot \ell}}} \]
      4. associate-/r/46.7%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k} \cdot \left(\ell \cdot \ell\right)} \]
      5. *-commutative46.7%

        \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}} \]
      6. associate-/l/46.6%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \color{blue}{\frac{2}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)}} \]
      7. associate-*r*47.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left({t}^{3} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      8. *-commutative47.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\left({t}^{3} \cdot \sin k\right) \cdot \color{blue}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \tan k\right)}} \]
      9. associate-*r*47.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right) \cdot \tan k}} \]
      10. *-commutative47.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\tan k \cdot \left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
    3. Simplified47.2%

      \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}} \]
    4. Taylor expanded in k around inf 67.6%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{\left({k}^{2} \cdot \left(\sin k \cdot t\right)\right)}} \]
    5. Step-by-step derivation
      1. *-commutative67.6%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{\left(\left(\sin k \cdot t\right) \cdot {k}^{2}\right)}} \]
      2. associate-*l*67.6%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{\left(\sin k \cdot \left(t \cdot {k}^{2}\right)\right)}} \]
      3. *-commutative67.6%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\sin k \cdot \color{blue}{\left({k}^{2} \cdot t\right)}\right)} \]
      4. unpow267.6%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\sin k \cdot \left(\color{blue}{\left(k \cdot k\right)} \cdot t\right)\right)} \]
      5. associate-*l*70.3%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\sin k \cdot \color{blue}{\left(k \cdot \left(k \cdot t\right)\right)}\right)} \]
    6. Simplified70.3%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{\left(\sin k \cdot \left(k \cdot \left(k \cdot t\right)\right)\right)}} \]
    7. Taylor expanded in k around 0 57.2%

      \[\leadsto \color{blue}{2 \cdot \frac{{\ell}^{2}}{{k}^{4} \cdot t}} \]
    8. Step-by-step derivation
      1. unpow257.2%

        \[\leadsto 2 \cdot \frac{\color{blue}{\ell \cdot \ell}}{{k}^{4} \cdot t} \]
      2. *-commutative57.2%

        \[\leadsto 2 \cdot \frac{\ell \cdot \ell}{\color{blue}{t \cdot {k}^{4}}} \]
      3. times-frac63.5%

        \[\leadsto 2 \cdot \color{blue}{\left(\frac{\ell}{t} \cdot \frac{\ell}{{k}^{4}}\right)} \]
    9. Simplified63.5%

      \[\leadsto \color{blue}{2 \cdot \left(\frac{\ell}{t} \cdot \frac{\ell}{{k}^{4}}\right)} \]
    10. Step-by-step derivation
      1. associate-*l/63.5%

        \[\leadsto 2 \cdot \color{blue}{\frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}} \]
    11. Applied egg-rr63.5%

      \[\leadsto 2 \cdot \color{blue}{\frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}} \]

    if 2.6000000000000001e-50 < t

    1. Initial program 76.8%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-*l*76.8%

        \[\leadsto \frac{2}{\color{blue}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      2. +-commutative76.8%

        \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \color{blue}{\left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)}\right)} \]
    3. Simplified76.8%

      \[\leadsto \color{blue}{\frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(1 + \left(1 + {\left(\frac{k}{t}\right)}^{2}\right)\right)\right)}} \]
    4. Taylor expanded in k around 0 70.5%

      \[\leadsto \frac{2}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \color{blue}{\left(2 \cdot k\right)}} \]
    5. Taylor expanded in k around 0 75.7%

      \[\leadsto \frac{2}{\color{blue}{\frac{k \cdot {t}^{3}}{{\ell}^{2}}} \cdot \left(2 \cdot k\right)} \]
    6. Step-by-step derivation
      1. unpow275.7%

        \[\leadsto \frac{2}{\frac{k \cdot {t}^{3}}{\color{blue}{\ell \cdot \ell}} \cdot \left(2 \cdot k\right)} \]
    7. Simplified75.7%

      \[\leadsto \frac{2}{\color{blue}{\frac{k \cdot {t}^{3}}{\ell \cdot \ell}} \cdot \left(2 \cdot k\right)} \]
  3. Recombined 3 regimes into one program.
  4. Final simplification67.9%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -1.12 \cdot 10^{+167}:\\ \;\;\;\;\frac{\ell \cdot \ell}{k \cdot \left(k \cdot {t}^{3}\right)}\\ \mathbf{elif}\;t \leq 2.6 \cdot 10^{-50}:\\ \;\;\;\;2 \cdot \frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}\\ \mathbf{else}:\\ \;\;\;\;\frac{2}{\frac{k \cdot {t}^{3}}{\ell \cdot \ell} \cdot \left(2 \cdot k\right)}\\ \end{array} \]

Alternative 16: 62.0% accurate, 3.7× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;t \leq -4.6 \cdot 10^{+167} \lor \neg \left(t \leq 8 \cdot 10^{-49}\right):\\ \;\;\;\;\frac{\ell \cdot \ell}{k \cdot \left(k \cdot {t}^{3}\right)}\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (or (<= t -4.6e+167) (not (<= t 8e-49)))
   (/ (* l l) (* k (* k (pow t 3.0))))
   (* 2.0 (/ (* l (/ l (pow k 4.0))) t))))
double code(double t, double l, double k) {
	double tmp;
	if ((t <= -4.6e+167) || !(t <= 8e-49)) {
		tmp = (l * l) / (k * (k * pow(t, 3.0)));
	} else {
		tmp = 2.0 * ((l * (l / pow(k, 4.0))) / t);
	}
	return tmp;
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    real(8) :: tmp
    if ((t <= (-4.6d+167)) .or. (.not. (t <= 8d-49))) then
        tmp = (l * l) / (k * (k * (t ** 3.0d0)))
    else
        tmp = 2.0d0 * ((l * (l / (k ** 4.0d0))) / t)
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double tmp;
	if ((t <= -4.6e+167) || !(t <= 8e-49)) {
		tmp = (l * l) / (k * (k * Math.pow(t, 3.0)));
	} else {
		tmp = 2.0 * ((l * (l / Math.pow(k, 4.0))) / t);
	}
	return tmp;
}
def code(t, l, k):
	tmp = 0
	if (t <= -4.6e+167) or not (t <= 8e-49):
		tmp = (l * l) / (k * (k * math.pow(t, 3.0)))
	else:
		tmp = 2.0 * ((l * (l / math.pow(k, 4.0))) / t)
	return tmp
function code(t, l, k)
	tmp = 0.0
	if ((t <= -4.6e+167) || !(t <= 8e-49))
		tmp = Float64(Float64(l * l) / Float64(k * Float64(k * (t ^ 3.0))));
	else
		tmp = Float64(2.0 * Float64(Float64(l * Float64(l / (k ^ 4.0))) / t));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	tmp = 0.0;
	if ((t <= -4.6e+167) || ~((t <= 8e-49)))
		tmp = (l * l) / (k * (k * (t ^ 3.0)));
	else
		tmp = 2.0 * ((l * (l / (k ^ 4.0))) / t);
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := If[Or[LessEqual[t, -4.6e+167], N[Not[LessEqual[t, 8e-49]], $MachinePrecision]], N[(N[(l * l), $MachinePrecision] / N[(k * N[(k * N[Power[t, 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 * N[(N[(l * N[(l / N[Power[k, 4.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / t), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;t \leq -4.6 \cdot 10^{+167} \lor \neg \left(t \leq 8 \cdot 10^{-49}\right):\\
\;\;\;\;\frac{\ell \cdot \ell}{k \cdot \left(k \cdot {t}^{3}\right)}\\

\mathbf{else}:\\
\;\;\;\;2 \cdot \frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if t < -4.59999999999999976e167 or 7.99999999999999949e-49 < t

    1. Initial program 75.8%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/l/75.8%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \]
      2. associate-*l/76.8%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{{t}^{3} \cdot \sin k}{\ell \cdot \ell}} \cdot \tan k} \]
      3. associate-*l/73.8%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}{\ell \cdot \ell}}} \]
      4. associate-/r/72.9%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k} \cdot \left(\ell \cdot \ell\right)} \]
      5. *-commutative72.9%

        \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}} \]
      6. associate-/l/72.9%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \color{blue}{\frac{2}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)}} \]
      7. associate-*r*72.9%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left({t}^{3} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      8. *-commutative72.9%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\left({t}^{3} \cdot \sin k\right) \cdot \color{blue}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \tan k\right)}} \]
      9. associate-*r*72.9%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right) \cdot \tan k}} \]
      10. *-commutative72.9%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\tan k \cdot \left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
    3. Simplified72.9%

      \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}} \]
    4. Taylor expanded in t around inf 58.4%

      \[\leadsto \color{blue}{\frac{\cos k \cdot {\ell}^{2}}{{\sin k}^{2} \cdot {t}^{3}}} \]
    5. Step-by-step derivation
      1. unpow258.4%

        \[\leadsto \frac{\cos k \cdot \color{blue}{\left(\ell \cdot \ell\right)}}{{\sin k}^{2} \cdot {t}^{3}} \]
    6. Simplified58.4%

      \[\leadsto \color{blue}{\frac{\cos k \cdot \left(\ell \cdot \ell\right)}{{\sin k}^{2} \cdot {t}^{3}}} \]
    7. Taylor expanded in k around 0 58.4%

      \[\leadsto \frac{\color{blue}{{\ell}^{2}}}{{\sin k}^{2} \cdot {t}^{3}} \]
    8. Step-by-step derivation
      1. unpow258.4%

        \[\leadsto \frac{\color{blue}{\ell \cdot \ell}}{{\sin k}^{2} \cdot {t}^{3}} \]
    9. Simplified58.4%

      \[\leadsto \frac{\color{blue}{\ell \cdot \ell}}{{\sin k}^{2} \cdot {t}^{3}} \]
    10. Taylor expanded in k around 0 63.5%

      \[\leadsto \frac{\ell \cdot \ell}{\color{blue}{{k}^{2} \cdot {t}^{3}}} \]
    11. Step-by-step derivation
      1. unpow263.5%

        \[\leadsto \frac{\ell \cdot \ell}{\color{blue}{\left(k \cdot k\right)} \cdot {t}^{3}} \]
      2. associate-*l*72.0%

        \[\leadsto \frac{\ell \cdot \ell}{\color{blue}{k \cdot \left(k \cdot {t}^{3}\right)}} \]
    12. Simplified72.0%

      \[\leadsto \frac{\ell \cdot \ell}{\color{blue}{k \cdot \left(k \cdot {t}^{3}\right)}} \]

    if -4.59999999999999976e167 < t < 7.99999999999999949e-49

    1. Initial program 46.8%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/l/46.8%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \]
      2. associate-*l/46.7%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{{t}^{3} \cdot \sin k}{\ell \cdot \ell}} \cdot \tan k} \]
      3. associate-*l/46.1%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}{\ell \cdot \ell}}} \]
      4. associate-/r/46.7%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k} \cdot \left(\ell \cdot \ell\right)} \]
      5. *-commutative46.7%

        \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}} \]
      6. associate-/l/46.6%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \color{blue}{\frac{2}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)}} \]
      7. associate-*r*47.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left({t}^{3} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      8. *-commutative47.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\left({t}^{3} \cdot \sin k\right) \cdot \color{blue}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \tan k\right)}} \]
      9. associate-*r*47.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right) \cdot \tan k}} \]
      10. *-commutative47.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\tan k \cdot \left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
    3. Simplified47.2%

      \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}} \]
    4. Taylor expanded in k around inf 67.6%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{\left({k}^{2} \cdot \left(\sin k \cdot t\right)\right)}} \]
    5. Step-by-step derivation
      1. *-commutative67.6%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{\left(\left(\sin k \cdot t\right) \cdot {k}^{2}\right)}} \]
      2. associate-*l*67.6%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{\left(\sin k \cdot \left(t \cdot {k}^{2}\right)\right)}} \]
      3. *-commutative67.6%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\sin k \cdot \color{blue}{\left({k}^{2} \cdot t\right)}\right)} \]
      4. unpow267.6%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\sin k \cdot \left(\color{blue}{\left(k \cdot k\right)} \cdot t\right)\right)} \]
      5. associate-*l*70.3%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\sin k \cdot \color{blue}{\left(k \cdot \left(k \cdot t\right)\right)}\right)} \]
    6. Simplified70.3%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{\left(\sin k \cdot \left(k \cdot \left(k \cdot t\right)\right)\right)}} \]
    7. Taylor expanded in k around 0 57.2%

      \[\leadsto \color{blue}{2 \cdot \frac{{\ell}^{2}}{{k}^{4} \cdot t}} \]
    8. Step-by-step derivation
      1. unpow257.2%

        \[\leadsto 2 \cdot \frac{\color{blue}{\ell \cdot \ell}}{{k}^{4} \cdot t} \]
      2. *-commutative57.2%

        \[\leadsto 2 \cdot \frac{\ell \cdot \ell}{\color{blue}{t \cdot {k}^{4}}} \]
      3. times-frac63.5%

        \[\leadsto 2 \cdot \color{blue}{\left(\frac{\ell}{t} \cdot \frac{\ell}{{k}^{4}}\right)} \]
    9. Simplified63.5%

      \[\leadsto \color{blue}{2 \cdot \left(\frac{\ell}{t} \cdot \frac{\ell}{{k}^{4}}\right)} \]
    10. Step-by-step derivation
      1. associate-*l/63.5%

        \[\leadsto 2 \cdot \color{blue}{\frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}} \]
    11. Applied egg-rr63.5%

      \[\leadsto 2 \cdot \color{blue}{\frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification66.7%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq -4.6 \cdot 10^{+167} \lor \neg \left(t \leq 8 \cdot 10^{-49}\right):\\ \;\;\;\;\frac{\ell \cdot \ell}{k \cdot \left(k \cdot {t}^{3}\right)}\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}\\ \end{array} \]

Alternative 17: 59.4% accurate, 3.8× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;t \leq 3.8 \cdot 10^{-46}:\\ \;\;\;\;2 \cdot \frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}\\ \mathbf{else}:\\ \;\;\;\;\left(\ell \cdot {t}^{-3}\right) \cdot \frac{\ell}{k \cdot k}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (<= t 3.8e-46)
   (* 2.0 (/ (* l (/ l (pow k 4.0))) t))
   (* (* l (pow t -3.0)) (/ l (* k k)))))
double code(double t, double l, double k) {
	double tmp;
	if (t <= 3.8e-46) {
		tmp = 2.0 * ((l * (l / pow(k, 4.0))) / t);
	} else {
		tmp = (l * pow(t, -3.0)) * (l / (k * k));
	}
	return tmp;
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    real(8) :: tmp
    if (t <= 3.8d-46) then
        tmp = 2.0d0 * ((l * (l / (k ** 4.0d0))) / t)
    else
        tmp = (l * (t ** (-3.0d0))) * (l / (k * k))
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double tmp;
	if (t <= 3.8e-46) {
		tmp = 2.0 * ((l * (l / Math.pow(k, 4.0))) / t);
	} else {
		tmp = (l * Math.pow(t, -3.0)) * (l / (k * k));
	}
	return tmp;
}
def code(t, l, k):
	tmp = 0
	if t <= 3.8e-46:
		tmp = 2.0 * ((l * (l / math.pow(k, 4.0))) / t)
	else:
		tmp = (l * math.pow(t, -3.0)) * (l / (k * k))
	return tmp
function code(t, l, k)
	tmp = 0.0
	if (t <= 3.8e-46)
		tmp = Float64(2.0 * Float64(Float64(l * Float64(l / (k ^ 4.0))) / t));
	else
		tmp = Float64(Float64(l * (t ^ -3.0)) * Float64(l / Float64(k * k)));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	tmp = 0.0;
	if (t <= 3.8e-46)
		tmp = 2.0 * ((l * (l / (k ^ 4.0))) / t);
	else
		tmp = (l * (t ^ -3.0)) * (l / (k * k));
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := If[LessEqual[t, 3.8e-46], N[(2.0 * N[(N[(l * N[(l / N[Power[k, 4.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / t), $MachinePrecision]), $MachinePrecision], N[(N[(l * N[Power[t, -3.0], $MachinePrecision]), $MachinePrecision] * N[(l / N[(k * k), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;t \leq 3.8 \cdot 10^{-46}:\\
\;\;\;\;2 \cdot \frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}\\

\mathbf{else}:\\
\;\;\;\;\left(\ell \cdot {t}^{-3}\right) \cdot \frac{\ell}{k \cdot k}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if t < 3.7999999999999997e-46

    1. Initial program 50.1%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/l/50.1%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \]
      2. associate-*l/50.0%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{{t}^{3} \cdot \sin k}{\ell \cdot \ell}} \cdot \tan k} \]
      3. associate-*l/49.4%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}{\ell \cdot \ell}}} \]
      4. associate-/r/49.9%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k} \cdot \left(\ell \cdot \ell\right)} \]
      5. *-commutative49.9%

        \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}} \]
      6. associate-/l/49.9%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \color{blue}{\frac{2}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)}} \]
      7. associate-*r*50.4%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left({t}^{3} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      8. *-commutative50.4%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\left({t}^{3} \cdot \sin k\right) \cdot \color{blue}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \tan k\right)}} \]
      9. associate-*r*50.4%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right) \cdot \tan k}} \]
      10. *-commutative50.4%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\tan k \cdot \left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
    3. Simplified50.4%

      \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}} \]
    4. Taylor expanded in k around inf 64.5%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{\left({k}^{2} \cdot \left(\sin k \cdot t\right)\right)}} \]
    5. Step-by-step derivation
      1. *-commutative64.5%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{\left(\left(\sin k \cdot t\right) \cdot {k}^{2}\right)}} \]
      2. associate-*l*64.5%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{\left(\sin k \cdot \left(t \cdot {k}^{2}\right)\right)}} \]
      3. *-commutative64.5%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\sin k \cdot \color{blue}{\left({k}^{2} \cdot t\right)}\right)} \]
      4. unpow264.5%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\sin k \cdot \left(\color{blue}{\left(k \cdot k\right)} \cdot t\right)\right)} \]
      5. associate-*l*66.9%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\sin k \cdot \color{blue}{\left(k \cdot \left(k \cdot t\right)\right)}\right)} \]
    6. Simplified66.9%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{\left(\sin k \cdot \left(k \cdot \left(k \cdot t\right)\right)\right)}} \]
    7. Taylor expanded in k around 0 55.4%

      \[\leadsto \color{blue}{2 \cdot \frac{{\ell}^{2}}{{k}^{4} \cdot t}} \]
    8. Step-by-step derivation
      1. unpow255.4%

        \[\leadsto 2 \cdot \frac{\color{blue}{\ell \cdot \ell}}{{k}^{4} \cdot t} \]
      2. *-commutative55.4%

        \[\leadsto 2 \cdot \frac{\ell \cdot \ell}{\color{blue}{t \cdot {k}^{4}}} \]
      3. times-frac60.9%

        \[\leadsto 2 \cdot \color{blue}{\left(\frac{\ell}{t} \cdot \frac{\ell}{{k}^{4}}\right)} \]
    9. Simplified60.9%

      \[\leadsto \color{blue}{2 \cdot \left(\frac{\ell}{t} \cdot \frac{\ell}{{k}^{4}}\right)} \]
    10. Step-by-step derivation
      1. associate-*l/61.0%

        \[\leadsto 2 \cdot \color{blue}{\frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}} \]
    11. Applied egg-rr61.0%

      \[\leadsto 2 \cdot \color{blue}{\frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}} \]

    if 3.7999999999999997e-46 < t

    1. Initial program 76.5%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/l/76.5%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \]
      2. associate-*l/77.8%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{{t}^{3} \cdot \sin k}{\ell \cdot \ell}} \cdot \tan k} \]
      3. associate-*l/74.0%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}{\ell \cdot \ell}}} \]
      4. associate-/r/72.7%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k} \cdot \left(\ell \cdot \ell\right)} \]
      5. *-commutative72.7%

        \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}} \]
      6. associate-/l/72.7%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \color{blue}{\frac{2}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)}} \]
      7. associate-*r*72.7%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left({t}^{3} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      8. *-commutative72.7%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\left({t}^{3} \cdot \sin k\right) \cdot \color{blue}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \tan k\right)}} \]
      9. associate-*r*72.7%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right) \cdot \tan k}} \]
      10. *-commutative72.7%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\tan k \cdot \left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
    3. Simplified72.7%

      \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}} \]
    4. Taylor expanded in k around 0 66.0%

      \[\leadsto \color{blue}{\frac{{\ell}^{2}}{{k}^{2} \cdot {t}^{3}}} \]
    5. Step-by-step derivation
      1. unpow266.0%

        \[\leadsto \frac{\color{blue}{\ell \cdot \ell}}{{k}^{2} \cdot {t}^{3}} \]
      2. *-commutative66.0%

        \[\leadsto \frac{\ell \cdot \ell}{\color{blue}{{t}^{3} \cdot {k}^{2}}} \]
      3. times-frac68.8%

        \[\leadsto \color{blue}{\frac{\ell}{{t}^{3}} \cdot \frac{\ell}{{k}^{2}}} \]
      4. unpow268.8%

        \[\leadsto \frac{\ell}{{t}^{3}} \cdot \frac{\ell}{\color{blue}{k \cdot k}} \]
    6. Simplified68.8%

      \[\leadsto \color{blue}{\frac{\ell}{{t}^{3}} \cdot \frac{\ell}{k \cdot k}} \]
    7. Step-by-step derivation
      1. expm1-log1p-u60.8%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(\frac{\ell}{{t}^{3}}\right)\right)} \cdot \frac{\ell}{k \cdot k} \]
      2. expm1-udef55.3%

        \[\leadsto \color{blue}{\left(e^{\mathsf{log1p}\left(\frac{\ell}{{t}^{3}}\right)} - 1\right)} \cdot \frac{\ell}{k \cdot k} \]
      3. div-inv55.3%

        \[\leadsto \left(e^{\mathsf{log1p}\left(\color{blue}{\ell \cdot \frac{1}{{t}^{3}}}\right)} - 1\right) \cdot \frac{\ell}{k \cdot k} \]
      4. pow-flip55.3%

        \[\leadsto \left(e^{\mathsf{log1p}\left(\ell \cdot \color{blue}{{t}^{\left(-3\right)}}\right)} - 1\right) \cdot \frac{\ell}{k \cdot k} \]
      5. metadata-eval55.3%

        \[\leadsto \left(e^{\mathsf{log1p}\left(\ell \cdot {t}^{\color{blue}{-3}}\right)} - 1\right) \cdot \frac{\ell}{k \cdot k} \]
    8. Applied egg-rr55.3%

      \[\leadsto \color{blue}{\left(e^{\mathsf{log1p}\left(\ell \cdot {t}^{-3}\right)} - 1\right)} \cdot \frac{\ell}{k \cdot k} \]
    9. Step-by-step derivation
      1. expm1-def60.8%

        \[\leadsto \color{blue}{\mathsf{expm1}\left(\mathsf{log1p}\left(\ell \cdot {t}^{-3}\right)\right)} \cdot \frac{\ell}{k \cdot k} \]
      2. expm1-log1p68.8%

        \[\leadsto \color{blue}{\left(\ell \cdot {t}^{-3}\right)} \cdot \frac{\ell}{k \cdot k} \]
    10. Simplified68.8%

      \[\leadsto \color{blue}{\left(\ell \cdot {t}^{-3}\right)} \cdot \frac{\ell}{k \cdot k} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification63.3%

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \leq 3.8 \cdot 10^{-46}:\\ \;\;\;\;2 \cdot \frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}\\ \mathbf{else}:\\ \;\;\;\;\left(\ell \cdot {t}^{-3}\right) \cdot \frac{\ell}{k \cdot k}\\ \end{array} \]

Alternative 18: 62.0% accurate, 3.8× speedup?

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;k \leq 6.5 \cdot 10^{+83}:\\ \;\;\;\;\ell \cdot \frac{\ell}{k \cdot \left(k \cdot {t}^{3}\right)}\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}\\ \end{array} \end{array} \]
(FPCore (t l k)
 :precision binary64
 (if (<= k 6.5e+83)
   (* l (/ l (* k (* k (pow t 3.0)))))
   (* 2.0 (/ (* l (/ l (pow k 4.0))) t))))
double code(double t, double l, double k) {
	double tmp;
	if (k <= 6.5e+83) {
		tmp = l * (l / (k * (k * pow(t, 3.0))));
	} else {
		tmp = 2.0 * ((l * (l / pow(k, 4.0))) / t);
	}
	return tmp;
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    real(8) :: tmp
    if (k <= 6.5d+83) then
        tmp = l * (l / (k * (k * (t ** 3.0d0))))
    else
        tmp = 2.0d0 * ((l * (l / (k ** 4.0d0))) / t)
    end if
    code = tmp
end function
public static double code(double t, double l, double k) {
	double tmp;
	if (k <= 6.5e+83) {
		tmp = l * (l / (k * (k * Math.pow(t, 3.0))));
	} else {
		tmp = 2.0 * ((l * (l / Math.pow(k, 4.0))) / t);
	}
	return tmp;
}
def code(t, l, k):
	tmp = 0
	if k <= 6.5e+83:
		tmp = l * (l / (k * (k * math.pow(t, 3.0))))
	else:
		tmp = 2.0 * ((l * (l / math.pow(k, 4.0))) / t)
	return tmp
function code(t, l, k)
	tmp = 0.0
	if (k <= 6.5e+83)
		tmp = Float64(l * Float64(l / Float64(k * Float64(k * (t ^ 3.0)))));
	else
		tmp = Float64(2.0 * Float64(Float64(l * Float64(l / (k ^ 4.0))) / t));
	end
	return tmp
end
function tmp_2 = code(t, l, k)
	tmp = 0.0;
	if (k <= 6.5e+83)
		tmp = l * (l / (k * (k * (t ^ 3.0))));
	else
		tmp = 2.0 * ((l * (l / (k ^ 4.0))) / t);
	end
	tmp_2 = tmp;
end
code[t_, l_, k_] := If[LessEqual[k, 6.5e+83], N[(l * N[(l / N[(k * N[(k * N[Power[t, 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(2.0 * N[(N[(l * N[(l / N[Power[k, 4.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / t), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}

\\
\begin{array}{l}
\mathbf{if}\;k \leq 6.5 \cdot 10^{+83}:\\
\;\;\;\;\ell \cdot \frac{\ell}{k \cdot \left(k \cdot {t}^{3}\right)}\\

\mathbf{else}:\\
\;\;\;\;2 \cdot \frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}\\


\end{array}
\end{array}
Derivation
  1. Split input into 2 regimes
  2. if k < 6.5000000000000003e83

    1. Initial program 60.3%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/l/60.3%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \]
      2. associate-*l/60.7%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{{t}^{3} \cdot \sin k}{\ell \cdot \ell}} \cdot \tan k} \]
      3. associate-*l/58.8%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}{\ell \cdot \ell}}} \]
      4. associate-/r/58.8%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k} \cdot \left(\ell \cdot \ell\right)} \]
      5. *-commutative58.8%

        \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}} \]
      6. associate-/l/58.8%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \color{blue}{\frac{2}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)}} \]
      7. associate-*r*59.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left({t}^{3} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      8. *-commutative59.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\left({t}^{3} \cdot \sin k\right) \cdot \color{blue}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \tan k\right)}} \]
      9. associate-*r*59.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right) \cdot \tan k}} \]
      10. *-commutative59.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\tan k \cdot \left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
    3. Simplified59.2%

      \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}} \]
    4. Step-by-step derivation
      1. add-cube-cbrt59.1%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left(\sqrt[3]{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)} \cdot \sqrt[3]{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}\right) \cdot \sqrt[3]{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}}} \]
      2. pow359.1%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{{\left(\sqrt[3]{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}\right)}^{3}}} \]
    5. Applied egg-rr69.7%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{{\left(\sqrt[3]{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}}} \]
    6. Step-by-step derivation
      1. pow169.7%

        \[\leadsto \color{blue}{{\left(\left(\ell \cdot \ell\right) \cdot \frac{2}{{\left(\sqrt[3]{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}}\right)}^{1}} \]
      2. associate-*l*75.6%

        \[\leadsto {\color{blue}{\left(\ell \cdot \left(\ell \cdot \frac{2}{{\left(\sqrt[3]{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}}\right)\right)}}^{1} \]
    7. Applied egg-rr75.6%

      \[\leadsto \color{blue}{{\left(\ell \cdot \left(\ell \cdot \frac{2}{{\left(\sqrt[3]{\tan k \cdot \left(2 + {\left(\frac{k}{t}\right)}^{2}\right)} \cdot \left(t \cdot \sqrt[3]{\sin k}\right)\right)}^{3}}\right)\right)}^{1}} \]
    8. Taylor expanded in k around 0 57.3%

      \[\leadsto {\left(\ell \cdot \color{blue}{\frac{\ell}{{k}^{2} \cdot {t}^{3}}}\right)}^{1} \]
    9. Step-by-step derivation
      1. unpow257.3%

        \[\leadsto {\left(\ell \cdot \frac{\ell}{\color{blue}{\left(k \cdot k\right)} \cdot {t}^{3}}\right)}^{1} \]
      2. associate-*l*62.7%

        \[\leadsto {\left(\ell \cdot \frac{\ell}{\color{blue}{k \cdot \left(k \cdot {t}^{3}\right)}}\right)}^{1} \]
    10. Simplified62.7%

      \[\leadsto {\left(\ell \cdot \color{blue}{\frac{\ell}{k \cdot \left(k \cdot {t}^{3}\right)}}\right)}^{1} \]

    if 6.5000000000000003e83 < k

    1. Initial program 47.8%

      \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
    2. Step-by-step derivation
      1. associate-/l/47.8%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \]
      2. associate-*l/47.8%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{{t}^{3} \cdot \sin k}{\ell \cdot \ell}} \cdot \tan k} \]
      3. associate-*l/47.8%

        \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}{\ell \cdot \ell}}} \]
      4. associate-/r/47.8%

        \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k} \cdot \left(\ell \cdot \ell\right)} \]
      5. *-commutative47.8%

        \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}} \]
      6. associate-/l/47.8%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \color{blue}{\frac{2}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)}} \]
      7. associate-*r*47.8%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left({t}^{3} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
      8. *-commutative47.8%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\left({t}^{3} \cdot \sin k\right) \cdot \color{blue}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \tan k\right)}} \]
      9. associate-*r*47.8%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right) \cdot \tan k}} \]
      10. *-commutative47.8%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\tan k \cdot \left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
    3. Simplified47.8%

      \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}} \]
    4. Taylor expanded in k around inf 66.7%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{\left({k}^{2} \cdot \left(\sin k \cdot t\right)\right)}} \]
    5. Step-by-step derivation
      1. *-commutative66.7%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{\left(\left(\sin k \cdot t\right) \cdot {k}^{2}\right)}} \]
      2. associate-*l*66.7%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{\left(\sin k \cdot \left(t \cdot {k}^{2}\right)\right)}} \]
      3. *-commutative66.7%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\sin k \cdot \color{blue}{\left({k}^{2} \cdot t\right)}\right)} \]
      4. unpow266.7%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\sin k \cdot \left(\color{blue}{\left(k \cdot k\right)} \cdot t\right)\right)} \]
      5. associate-*l*71.2%

        \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\sin k \cdot \color{blue}{\left(k \cdot \left(k \cdot t\right)\right)}\right)} \]
    6. Simplified71.2%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{\left(\sin k \cdot \left(k \cdot \left(k \cdot t\right)\right)\right)}} \]
    7. Taylor expanded in k around 0 55.9%

      \[\leadsto \color{blue}{2 \cdot \frac{{\ell}^{2}}{{k}^{4} \cdot t}} \]
    8. Step-by-step derivation
      1. unpow255.9%

        \[\leadsto 2 \cdot \frac{\color{blue}{\ell \cdot \ell}}{{k}^{4} \cdot t} \]
      2. *-commutative55.9%

        \[\leadsto 2 \cdot \frac{\ell \cdot \ell}{\color{blue}{t \cdot {k}^{4}}} \]
      3. times-frac56.4%

        \[\leadsto 2 \cdot \color{blue}{\left(\frac{\ell}{t} \cdot \frac{\ell}{{k}^{4}}\right)} \]
    9. Simplified56.4%

      \[\leadsto \color{blue}{2 \cdot \left(\frac{\ell}{t} \cdot \frac{\ell}{{k}^{4}}\right)} \]
    10. Step-by-step derivation
      1. associate-*l/56.6%

        \[\leadsto 2 \cdot \color{blue}{\frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}} \]
    11. Applied egg-rr56.6%

      \[\leadsto 2 \cdot \color{blue}{\frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}} \]
  3. Recombined 2 regimes into one program.
  4. Final simplification61.5%

    \[\leadsto \begin{array}{l} \mathbf{if}\;k \leq 6.5 \cdot 10^{+83}:\\ \;\;\;\;\ell \cdot \frac{\ell}{k \cdot \left(k \cdot {t}^{3}\right)}\\ \mathbf{else}:\\ \;\;\;\;2 \cdot \frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}\\ \end{array} \]

Alternative 19: 56.8% accurate, 3.8× speedup?

\[\begin{array}{l} \\ 2 \cdot \left(\frac{\ell}{{k}^{4}} \cdot \frac{\ell}{t}\right) \end{array} \]
(FPCore (t l k) :precision binary64 (* 2.0 (* (/ l (pow k 4.0)) (/ l t))))
double code(double t, double l, double k) {
	return 2.0 * ((l / pow(k, 4.0)) * (l / t));
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    code = 2.0d0 * ((l / (k ** 4.0d0)) * (l / t))
end function
public static double code(double t, double l, double k) {
	return 2.0 * ((l / Math.pow(k, 4.0)) * (l / t));
}
def code(t, l, k):
	return 2.0 * ((l / math.pow(k, 4.0)) * (l / t))
function code(t, l, k)
	return Float64(2.0 * Float64(Float64(l / (k ^ 4.0)) * Float64(l / t)))
end
function tmp = code(t, l, k)
	tmp = 2.0 * ((l / (k ^ 4.0)) * (l / t));
end
code[t_, l_, k_] := N[(2.0 * N[(N[(l / N[Power[k, 4.0], $MachinePrecision]), $MachinePrecision] * N[(l / t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
2 \cdot \left(\frac{\ell}{{k}^{4}} \cdot \frac{\ell}{t}\right)
\end{array}
Derivation
  1. Initial program 57.8%

    \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
  2. Step-by-step derivation
    1. associate-/l/57.8%

      \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \]
    2. associate-*l/58.1%

      \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{{t}^{3} \cdot \sin k}{\ell \cdot \ell}} \cdot \tan k} \]
    3. associate-*l/56.6%

      \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}{\ell \cdot \ell}}} \]
    4. associate-/r/56.6%

      \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k} \cdot \left(\ell \cdot \ell\right)} \]
    5. *-commutative56.6%

      \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}} \]
    6. associate-/l/56.6%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \color{blue}{\frac{2}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)}} \]
    7. associate-*r*56.9%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left({t}^{3} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
    8. *-commutative56.9%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\left({t}^{3} \cdot \sin k\right) \cdot \color{blue}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \tan k\right)}} \]
    9. associate-*r*56.9%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right) \cdot \tan k}} \]
    10. *-commutative56.9%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\tan k \cdot \left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
  3. Simplified56.9%

    \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}} \]
  4. Taylor expanded in k around inf 59.0%

    \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{\left({k}^{2} \cdot \left(\sin k \cdot t\right)\right)}} \]
  5. Step-by-step derivation
    1. *-commutative59.0%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{\left(\left(\sin k \cdot t\right) \cdot {k}^{2}\right)}} \]
    2. associate-*l*59.1%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{\left(\sin k \cdot \left(t \cdot {k}^{2}\right)\right)}} \]
    3. *-commutative59.1%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\sin k \cdot \color{blue}{\left({k}^{2} \cdot t\right)}\right)} \]
    4. unpow259.1%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\sin k \cdot \left(\color{blue}{\left(k \cdot k\right)} \cdot t\right)\right)} \]
    5. associate-*l*60.7%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\sin k \cdot \color{blue}{\left(k \cdot \left(k \cdot t\right)\right)}\right)} \]
  6. Simplified60.7%

    \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{\left(\sin k \cdot \left(k \cdot \left(k \cdot t\right)\right)\right)}} \]
  7. Taylor expanded in k around 0 52.2%

    \[\leadsto \color{blue}{2 \cdot \frac{{\ell}^{2}}{{k}^{4} \cdot t}} \]
  8. Step-by-step derivation
    1. unpow252.2%

      \[\leadsto 2 \cdot \frac{\color{blue}{\ell \cdot \ell}}{{k}^{4} \cdot t} \]
    2. *-commutative52.2%

      \[\leadsto 2 \cdot \frac{\ell \cdot \ell}{\color{blue}{t \cdot {k}^{4}}} \]
    3. times-frac55.8%

      \[\leadsto 2 \cdot \color{blue}{\left(\frac{\ell}{t} \cdot \frac{\ell}{{k}^{4}}\right)} \]
  9. Simplified55.8%

    \[\leadsto \color{blue}{2 \cdot \left(\frac{\ell}{t} \cdot \frac{\ell}{{k}^{4}}\right)} \]
  10. Final simplification55.8%

    \[\leadsto 2 \cdot \left(\frac{\ell}{{k}^{4}} \cdot \frac{\ell}{t}\right) \]

Alternative 20: 56.3% accurate, 3.8× speedup?

\[\begin{array}{l} \\ 2 \cdot \frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t} \end{array} \]
(FPCore (t l k) :precision binary64 (* 2.0 (/ (* l (/ l (pow k 4.0))) t)))
double code(double t, double l, double k) {
	return 2.0 * ((l * (l / pow(k, 4.0))) / t);
}
real(8) function code(t, l, k)
    real(8), intent (in) :: t
    real(8), intent (in) :: l
    real(8), intent (in) :: k
    code = 2.0d0 * ((l * (l / (k ** 4.0d0))) / t)
end function
public static double code(double t, double l, double k) {
	return 2.0 * ((l * (l / Math.pow(k, 4.0))) / t);
}
def code(t, l, k):
	return 2.0 * ((l * (l / math.pow(k, 4.0))) / t)
function code(t, l, k)
	return Float64(2.0 * Float64(Float64(l * Float64(l / (k ^ 4.0))) / t))
end
function tmp = code(t, l, k)
	tmp = 2.0 * ((l * (l / (k ^ 4.0))) / t);
end
code[t_, l_, k_] := N[(2.0 * N[(N[(l * N[(l / N[Power[k, 4.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / t), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
2 \cdot \frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}
\end{array}
Derivation
  1. Initial program 57.8%

    \[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)} \]
  2. Step-by-step derivation
    1. associate-/l/57.8%

      \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k}} \]
    2. associate-*l/58.1%

      \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{{t}^{3} \cdot \sin k}{\ell \cdot \ell}} \cdot \tan k} \]
    3. associate-*l/56.6%

      \[\leadsto \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\color{blue}{\frac{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}{\ell \cdot \ell}}} \]
    4. associate-/r/56.6%

      \[\leadsto \color{blue}{\frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k} \cdot \left(\ell \cdot \ell\right)} \]
    5. *-commutative56.6%

      \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{\frac{2}{\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1}}{\left({t}^{3} \cdot \sin k\right) \cdot \tan k}} \]
    6. associate-/l/56.6%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \color{blue}{\frac{2}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)}} \]
    7. associate-*r*56.9%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left({t}^{3} \cdot \sin k\right) \cdot \left(\tan k \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
    8. *-commutative56.9%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\left({t}^{3} \cdot \sin k\right) \cdot \color{blue}{\left(\left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right) \cdot \tan k\right)}} \]
    9. associate-*r*56.9%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right) \cdot \tan k}} \]
    10. *-commutative56.9%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\color{blue}{\tan k \cdot \left(\left({t}^{3} \cdot \sin k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)\right)}} \]
  3. Simplified56.9%

    \[\leadsto \color{blue}{\left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\left(2 + {\left(\frac{k}{t}\right)}^{2}\right) \cdot \left({t}^{3} \cdot \sin k\right)\right)}} \]
  4. Taylor expanded in k around inf 59.0%

    \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{\left({k}^{2} \cdot \left(\sin k \cdot t\right)\right)}} \]
  5. Step-by-step derivation
    1. *-commutative59.0%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{\left(\left(\sin k \cdot t\right) \cdot {k}^{2}\right)}} \]
    2. associate-*l*59.1%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{\left(\sin k \cdot \left(t \cdot {k}^{2}\right)\right)}} \]
    3. *-commutative59.1%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\sin k \cdot \color{blue}{\left({k}^{2} \cdot t\right)}\right)} \]
    4. unpow259.1%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\sin k \cdot \left(\color{blue}{\left(k \cdot k\right)} \cdot t\right)\right)} \]
    5. associate-*l*60.7%

      \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \left(\sin k \cdot \color{blue}{\left(k \cdot \left(k \cdot t\right)\right)}\right)} \]
  6. Simplified60.7%

    \[\leadsto \left(\ell \cdot \ell\right) \cdot \frac{2}{\tan k \cdot \color{blue}{\left(\sin k \cdot \left(k \cdot \left(k \cdot t\right)\right)\right)}} \]
  7. Taylor expanded in k around 0 52.2%

    \[\leadsto \color{blue}{2 \cdot \frac{{\ell}^{2}}{{k}^{4} \cdot t}} \]
  8. Step-by-step derivation
    1. unpow252.2%

      \[\leadsto 2 \cdot \frac{\color{blue}{\ell \cdot \ell}}{{k}^{4} \cdot t} \]
    2. *-commutative52.2%

      \[\leadsto 2 \cdot \frac{\ell \cdot \ell}{\color{blue}{t \cdot {k}^{4}}} \]
    3. times-frac55.8%

      \[\leadsto 2 \cdot \color{blue}{\left(\frac{\ell}{t} \cdot \frac{\ell}{{k}^{4}}\right)} \]
  9. Simplified55.8%

    \[\leadsto \color{blue}{2 \cdot \left(\frac{\ell}{t} \cdot \frac{\ell}{{k}^{4}}\right)} \]
  10. Step-by-step derivation
    1. associate-*l/55.9%

      \[\leadsto 2 \cdot \color{blue}{\frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}} \]
  11. Applied egg-rr55.9%

    \[\leadsto 2 \cdot \color{blue}{\frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t}} \]
  12. Final simplification55.9%

    \[\leadsto 2 \cdot \frac{\ell \cdot \frac{\ell}{{k}^{4}}}{t} \]

Reproduce

?
herbie shell --seed 2023200 
(FPCore (t l k)
  :name "Toniolo and Linder, Equation (10+)"
  :precision binary64
  (/ 2.0 (* (* (* (/ (pow t 3.0) (* l l)) (sin k)) (tan k)) (+ (+ 1.0 (pow (/ k t) 2.0)) 1.0))))